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DBS3900 (Ver.B)
Installation Guide
Issue
06
Date
2011-09-15
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei DBS3900

  • Page 1 DBS3900 (Ver.B) Installation Guide Issue Date 2011-09-15 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope.
  • Page 3 About This Document Purpose This document describes the installation of the cabinet, boards, modules, and cables for the DBS3900 (Ver.B) (referred to as the DBS3900 in this document) deployed indoors or outdoors. It also provides checklists for hardware installation. Product Versions The following table lists the product versions related to this document.
  • Page 4 AC or DC power supply, the BBU can be installed in an APM30H, TMC11H, or OMB. When a DBS3900 is deployed indoors with DC power supply, the BBU can be installed in an IMB03, 19-inch rack of customers, or wall.
  • Page 5 14 Indoor Scenario with DC Power Supply (BBU Installed Indoors and RRU Powered Outdoors) In this scenario, a DBS3900 is deployed indoors with DC power supply. The installation of the BBU is not described in this scenario. An APM30H is installed outdoors, supplying power to and monitoring only RRUs.
  • Page 6 Press the keys in turn. For example, pressing Alt, A means the two keys should be pressed in turn. Mouse Operations The mouse operations that may be found in this document are defined as follows. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 7 Press the primary mouse button twice continuously and quickly without moving the pointer. Drag Press and hold the primary mouse button and move the pointer to a certain position. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 8: Table Of Contents

    DBS3900 (Ver.B) Installation Guide Contents Contents About This Document........................ii 1 Changes in the DBS3900 (Ver.B) Installation Guide..............1 2 Installation Preparations......................5 2.1 Document Preparation............................6 2.2 Tools and Instruments............................6 2.3 Skills and Requirements for Onsite Personnel....................7 3 Installation Scenarios........................8 4 Unpacking the Equipment......................22 5 Obtaining the ESN........................24...
  • Page 9 8.2.1 Installing a Cabinet on a Concrete Floor....................223 8.2.2 Installing a Cabinet on a Metal Pole......................235 8.2.3 Installing a Cabinet on a Wall.......................238 8.3 Installing a PGND Cable and Equipotential Cable..................243 Issue 06 (2011-09-15) Huawei Proprietary and Confidential viii Copyright © Huawei Technologies Co., Ltd.
  • Page 10 10 Outdoor Scenario with AC Power Supply (BBU Installed in an OMB).......328 10.1 Installation Process............................329 10.2 Installing an OMB............................331 10.2.1 Installing an OMB on a Metal Pole.....................331 10.2.2 Installing an OMB on a Wall.......................333 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 11 12.3.2 Installing a DCDU-03B........................407 12.3.3 (Optional) Installing a WGRU......................407 12.4 Installing Cables............................412 12.4.1 Cabling Requirements.........................412 12.4.2 Installing a DCDU-03B PGND Cable....................413 12.4.3 Installing Power Cables........................414 12.4.4 Installing Transmission Cables......................419 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 12 14.3 Installing PGND Cables..........................521 14.4 Installing Components..........................522 14.4.1 Installing a USLP2..........................522 14.4.2 Installing an SLPU..........................523 14.5 Installing Cables............................526 14.5.1 Cabling Requirements.........................526 14.5.2 Installing an Input Power Cable for the APM30H................528 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13 14.5.5 Installing a Surge Protection Transfer Cable Between the CMUA and the SLPU......534 14.6 Installation Checklist............................535 14.7 Power-On Check............................538 14.8 Subsequent Operations..........................540 14.8.1 Sealing the Cable Holes on the Base....................540 14.8.2 Applying Touch-Up Paint........................541 14.8.3 Applying Grease..........................542 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 14: About This Document

    1 Changes in the DBS3900 (Ver.B) Installation Guide Changes in the DBS3900 (Ver.B) Installation Guide This chapter describes the changes in the DBS3900 (Ver.B) Installation Guide. 06 (2011-09-15) This is the sixth official release. Compared with 05 (2011-08-30), this issue incorporates the following changes:...
  • Page 15 DBS3900 (Ver.B) Installation Guide 1 Changes in the DBS3900 (Ver.B) Installation Guide Compared with 04 (2011-07-15), no content is added. Compared with 04 (2011-07-15), no content is deleted. 04 (2011-07-15) This is the fourth official release. Compared with 03 (2011-06-10), this issue incorporates the following changes:...
  • Page 16 The procedures for installing cabinets, boards or modules, and related cables in an outdoor APM30H (Ver.B) or outdoor TMC11H (Ver.B). Compared with the DBS3900 Installation Guide of MBTS V100R003C00, WCDMA-NodeB V200R012C00, and GSM-BTS V100R012C00, this document omits the following topics:...
  • Page 17 DBS3900 (Ver.B) Installation Guide 1 Changes in the DBS3900 (Ver.B) Installation Guide The procedures for installing cabinets, boards or modules, and related cables in a scenario where the BBU is installed in an APM30, in an APM30H (Ver.A), TMC11H, or TMC11H (Ver.A).
  • Page 18: Installation Preparations

    This chapter describes document preparations, tool and instrument preparations, and skills and qualifications that installation engineers must possess. 2.1 Document Preparation Before installing a DBS3900, obtain related information in the following documents: 2.2 Tools and Instruments You must prepare the following tools and instruments before installation.
  • Page 19: Document Preparation

    DBS3900 (Ver.B) Installation Guide 2 Installation Preparations 2.1 Document Preparation Before installing a DBS3900, obtain related information in the following documents: BBU3900 Hardware Description BBU3900 Hardware Maintenance Guide OCB User Guide For details about the installation of an RRU, see the following documents:...
  • Page 20: Skills And Requirements For Onsite Personnel

    Before the installation, pay attention to the following items: The customer's technical engineers must be trained by Huawei and be familiar with the proper installation and operation methods. The number of onsite personnel depends on the engineering schedule and installation environment.
  • Page 21: Installation Scenarios

    AC or DC power supply, the BBU can be installed in an APM30H, TMC11H, or OMB. When a DBS3900 is deployed indoors with DC power supply, the BBU can be installed in an IMB03, 19-inch rack of customers, or wall.
  • Page 22 (BBU and the RRUs are installed on a wall) remotely installed outdoors. The DCDU-03B supplies power to the BBU and outdoor RRUs. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 Two APM30H cabinets can house two BBUs, which enable the base station to work in triple mode. Figure 3-1 shows the typical scenarios when no backup power or transmission space is required. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 Figure 3-2 shows the typical scenarios when the backup power capacity is not greater than 184 Ah and no transmission space is required. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 Figure 3-3 shows the typical scenarios when the backup power capacity is greater than 184 Ah and not greater than 368 Ah and no transmission space is required. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Two APM30H cabinets can house two BBUs, which enable the base station to work in triple mode. Figure 3-4 shows the typical scenarios when no backup power is required and transmission space is required. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 Two APM30H cabinets can house two BBUs, which enable the base station to work in triple mode. Figure 3-5 shows the typical scenarios when the backup power capacity is not greater than 184 Ah and transmission space is required. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 Figure 3-6 shows the typical scenarios when the backup power capacity is greater than 184 Ah and not greater than 368 Ah and transmission space is required. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 29 RRUs. If more than six RRUs are configured, two TMC11H cabinets are required. Two TMC11H cabinets can house two BBUs, which enable the base station to work in triple mode, as shown in Figure 3-7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 +24 V DC APM30H cabinets can house two BBUs, which enable the base station to work in triple mode, as shown in Figure 3-8. Figure 3-8 Outdoor Scenario with DC Power Supply (BBU Installed in a +24 V DC APM30H) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 3 U and only one RRU is installed, as shown Figure 3-10. Figure 3-10 AC scenario (BBU installed in an OMB) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32 BBU and RRUs. One 19-inch rack can house two BBUs and two DCDU-03Bs, which enable the base station to work in triple mode, as shown in Figure 3-12. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 RRUs, and the BBU is installed indoors, as shown in Figure 3-13. Figure 3-13 Indoor Scenario with DC Power Supply (BBU Installed Indoors and RRU Powered Outdoors) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 3 U and only one RRU is installed, as shown Figure 3-15. Figure 3-15 AC scenario (BBU installed in an IMB03) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 35: Unpacking The Equipment

    The total number does not tally with the Find out the cause and report any missing packing list articles to the local Huawei office. Step 2 Check the exterior of the packing case. If ... Then ... The outer packing is intact...
  • Page 36 ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37: Obtaining The Esn

    BBU. In this case, you must take the label and record the site information on the side labeled Site, as shown in Figure 5-2. Figure 5-1 Obtaining the ESN (1) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Installation Guide 5 Obtaining the ESN Figure 5-2 Obtaining the ESN (2) Step 2 Report the ESN to the engineer for the commissioning of the base station. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39: Outdoor Scenario With Ac Power Supply (Bbu Installed In An Apm30H)

    APM30H. 6.1 Installation Process When a DBS3900 is deployed outdoors with AC power supply, and the BBU is installed in an APM30H, you must install the APM30H, components in it, and related cables. In addition, some optional components may be required based on actual requirements.
  • Page 40 Check the installation items, installation environment, and cable-related items after the cabinets and devices are all installed. 6.8 Power-On Check Before a DBS3900 starts operating, you must check the power-on status of the cabinet and components in it. 6.9 Subsequent Operations You must perform subsequent operations after installing a base station and checking related hardware installation.
  • Page 41: Installation Process

    APM30H) 6.1 Installation Process When a DBS3900 is deployed outdoors with AC power supply, and the BBU is installed in an APM30H, you must install the APM30H, components in it, and related cables. In addition, some optional components may be required based on actual requirements.
  • Page 42 DBS3900 (Ver.B) 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-1 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 43: Installing A Cabinet

    150 mm. If the Noise Reduction Module (NRM) is installed, the distance between the cabinets is 150 mm. Figure 6-2 shows the cabinet installation clearance. Figure 6-2 Cabinet installation clearance (plan view) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 After marking all the holes, use the measuring tape to check whether the distances between the holes are accurate. Step 2 Drill holes at the anchor points, and then install the expansion bolt assemblies, as shown in Figure 6-4. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried into the hole, and then tighten the bolt. Remove the bolt, spring washer, and flat washer counterclockwise. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 (1) Level (2) Adjusting pad Step 5 Use a torque wrench to tighten the bolts with the tightening torque of 45 N·m, as shown in Figure 6-7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Figure 6-8 Removing the front cover plate Step 7 Remove the baffle plate from either side of the base (by taking the left side as an example), as shown in Figure 6-9. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Step 1 Remove the four plastic screws from the top of the cabinet, and then install the lifting lugs in the corresponding holes, as shown in Figure 1. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 Figure 6-11 Installing the lifting lugs (1) Plastic screw (2) Lifting lug Step 2 Install ropes on the lifting lugs, and then lift the cabinet, as shown in Figure 2. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 3 Lift the cabinet onto the base, and then gently push the cabinet to align the cabinet with the base, as shown in Figure 6-13. WARNING At least two installation engineers are required for lifting the cabinet. Figure 6-13 Lifting a cabinet onto a base Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51 Before installing the rubber screws, clean the mounting holes to prevent entry of metal bits. Figure 6-14 Installing the plastic screws Step 5 Use four M12x30 bolts to secure the cabinet on the base, as shown in Figure 7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Step 1 Remove the cover plates for cable holes from the top of the lower cabinet, as shown in Figure 6-16. Figure 6-16 Removing the cover plates for cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Figure 6-18 Positions of the cover plates for the round cable holes WARNING At least two installers are required for lifting a cabinet. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 Step 4 Use a torque wrench to tighten the four M12x30 bolts in the cabinet, as shown in Figure 6-20. Figure 6-20 Tightening the bolts (1) M12x30 bolt (2) Spring washer (3) Flat washer (4) Gasket with an oblong hole ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55: Installing A Cabinet On A Metal Pole

    (7) Waterproof gasket Step 2 Remove the two plastic screws that are near the back of the cabinet from the top of the cabinet, as shown in Figure 6-22. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 6-24 shows the positions of the cover plates for the round cable holes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 5 Lead the U-shaped piece through the holes on the fastening bar installed on the top of the cabinet, as shown in Figure 6-26. NOTE When a cabinet is installed on a metal pole, grease must be applied. For details, see 6.9.3 Applying Grease. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58: Installing A Cabinet On A Wall

    The cabinet cannot be installed at a height of more than 10,000 mm. Procedure Step 1 Press a marking template against the wall, and then mark six mounting holes based on the marking template, as shown in Figure 6-27. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Step 3 Align the holes on the trapezoidal rack with the four lower mounting holes on the wall, and then use four M12×30 bolts to secure the trapezoidal rack, as shown in Figure 6-29. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Step 5 Install a fastening bar on the top of the cabinet, and then use a socket wrench to tighten the two bolts, as shown in Figure 6-31. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 6-32 shows the positions of the cover plates for the round cable holes. Figure 6-32 Positions of the cover plates for the round cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Figure 6-34. NOTE When a cabinet is installed on the wall, grease must be applied. For details, see 6.9.3 Applying Grease. Figure 6-34 Securing a fastening bar Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63: Installing A Pgnd Cable And Equi-Potential Cable

    Figure 6-36. NOTE When installing the PGND cable, keep the crimping tube of the OT terminal in the direction shown in Figure 6-35. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64: Installing Components

    6.4 Installing Components The BBU and SLPU must be installed in the APM30H and TMC11H. The SOU, heater, EMUA or GPS surge protector optional based on actual requirements. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65: Installing A Bbu

    Step 3 Tighten four M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in Figure 6-38. Figure 6-38 Installing a BBU ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66: Installing An Slpu

    Step 2 Slide the SLPU along the guide rails into the cabinet, and then tighten two M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in Figure 6-40. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67: Installing An Slpu

    USLP2. Figure 6-41 The panel of the USLP2 Figure 6-42 shows the mapping relationship between the pins in the input and output ports on the USLP2. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 IN1.3 OUT1.7 IN1.4 OUT1.8 IN2.1 OUT0 OUT0.1 IN2.2 OUT0.2 IN2.3 OUT0.4 IN2.4 OUT0.5 IN3.1 OUT0.3 IN3.2 OUT0.6 IN3.3 OUT0.7 IN3.4 OUT0.8 Table 6-3 lists the SLPU-related cables. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Step 2 Slide the SLPU into the cabinet, and then use the screwdriver to tighten the two screws on the mounting ears of the SLPU, as shown in Figure 6-44. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Connect the other three surge protection transfer cables for monitoring signals by referring Figure 6-46. Figure 6-46 Connections of surge protection cables for monitoring signals Step 4 Install the external dry-contact monitoring signal cables, as shown in Figure 6-47. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71: Optional) Installing An Sou

    SOU and the types of component. Figure 6-48 SOU and the types of component (1) UK standard (2) Multi-purpose (3) American standard (4) European standard Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 AC input terminal block. Figure 6-50 Installing a power cable for the SOU Step 3 Route and bind the cables. For details, see 6.5.1 Cabling Requirements. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73: Optional) Installing An Ac Heater

    Step 1 Slide an AC heater along the guide rails into the cabinet, and then tighten four M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in Figure 6-53. Figure 6-53 Installing an AC heater Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74: Optional) Installing An Emua

    Table 6-4 Cables related to the EMUA Cable List One End The Other End Remarks Power RTN(+) Easy power Cord end Black cable for cable receptacle (pressfit terminal type) connector Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 Connect the cord end terminal at one end of the power cable to the transfer terminal of the wiring terminal labeled PWR1 of the EMUA power cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76: Installing The Gps Surge Protector

    Only a dual-satellite receiver needs to be installed onsite. Procedure Step 1 Remove the two M3 screws on the panel, and then pull out the USCU, as shown in Figure 6-58. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 GPS port on the USCU. CAUTION There are six mounting holes on the satellite receiver. You need to install only three screws on the receiver, as shown in Figure 6-59 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Step 3 Install the USCU equipped with the satellite receiver into the BBU, and tighten the screws on the USCU to 0.6 N·m. Step 4 Install the GPS clock signal cable on the support, as shown in Figure 6-60. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Figure 6-61 Installing the support on the cabinet Step 6 Connect the GPS clock signal cable to the GPS port on the USCU, as shown in Figure 6-62. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 The figure of the GPS surge protector is for reference only. The actual appearance may be different. Step 8 Install the GPS jumper, as shown in Figure 6-64. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81: Installing Cables

    This section describes the procedures and precautions to be taken for installing power cables, transmission cables, monitoring signal cables, and CPRI cables when a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in an APM30H.
  • Page 82 Other devices must not be used for electrical connections of the PGND cables. All the metal parts in the housing of the equipment must be reliably connected to the ground terminal. Cabling requirements for E1 cables are as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83: Installing A Cable Outlet Module In A Cabinet

    You can route the cables that are not mentioned through vacant cable holes matching their cross-sectional areas. Different colors of cable holes in the figure stand for different cable diameters. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 CAUTION Lead a cable through the cable hole with an aperture matching the cross-sectional area of the cable for effective sealing, as shown in Figure 6-67. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85: Installing Power Cables

    ----End 6.5.3 Installing Power Cables When a DBS3900 is deployed outdoors with AC power supply, the BBU can be installed in an APM30H. If a single APM30H is installed, the input power cable for the APM30H, BBU power cable, and RRU power cables must be installed. If multiple cabinets are installed in stack mode, the power cable between the APM30H and the TMC11H and that between the APM30H and the IBBS200D or IBBS200T must also be installed.
  • Page 86 Route the cable into the cabinet along the left side and connect each wire of the power cable to the corresponding terminal. Reinstall the protecting hood for the AC input wiring terminals. Reinstall the AC baffle plate. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Figure 6-69 Installing a 220 V AC single-phase input power cable for the APM30H on the EPS subrack (1) AC baffle plate (2) AC power supply box (3) Short-circuiting bar (4) PE wiring terminal Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 The tools, such as a Phillips screwdriver, a cable cutter, and a multi-purpose crimping tool, are ready. Context Table 6-6 lists the power cables between the APM30H and the TMC11H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Before installing the power cables, remove the protecting hood from the DC input wiring terminal block on the DCDU-03. After the cables are installed, reinstall the protecting hood. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 OT terminal at the other end to the AC input wiring terminal labeled L and N in the junction box in the TMC11H, as shown in Figure 6-72. Figure 6-72 Installing the power cable for the junction box in the TMC11H Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 RTN(+) wire Easy power OT terminal Black the fan in the receptacle (M4, 2.5 mm IBBS200D (pressfit type) NEG(-) wire OT terminal Blue connector (M4, 2.5 mm Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 RTN(+) and NEG(-) wiring terminals near the BTA label on the top of the power distribution box in the IBBS200D under the APM30H, as shown in Figure 6-73. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 RTN(+) and NEG(-) wiring terminals near the TEC/FAN label on the top of the power distribution box in the IBBS200D under the APM30H, as shown in Figure 6-74. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94 L and N wiring terminals in the junction box for the heating film on the left of the IBBS200D under the APM30H, as shown in Figure 6-75. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 The power cable for the heating film must be led into the power supply box for the heating film from the top, not from the bottom. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 The Other Remarks Power cable for RTN(+) wire Power series OT terminal the batteries 120 connector (M6, 16 mm NEG(-) wire OT terminal Black (M6, 16 mm Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 RTN(+) and NEG(-) wiring terminals near the BTA label at the top of the power distribution box in the IBBS200T under the APM30H, as shown in Figure 6-77. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 RTN(+) and NEG(-) wiring terminals near the TEC/FAN label at the bottom of the power distribution box in the IBBS200T under the APM30H, as shown in Figure 6-78. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99 Step 6 Run each cable that leaves the cabinet in the PVC corrugated pipe, and then tie the pipe to the cable hole in the cabinet. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 The blue and black wires on which the easy power receptacle (pressfit type) connector is added respectively correspond to the left and right ports on the EPS subrack. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 The tools, such as a Phillips screwdriver, cable cutter, and multi-purpose crimping tool, are ready. The PGND cable is installed. Context Table 6-10 lists the specifications of an RRU power cable when an EPS subrack supplies power. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 An EPS subrack supplies power to a maximum of six RRUs. Therefore, an RRU power cable can be connected to any of the RRU0 to RRU5 ports on the EPS subrack. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 M4 screws on the clip until the tightening torque reaches 1.2 N·m, as shown in Figure 6-81. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 104: Installing Transmission Cables

    Step 5 Label the installed cables by referring to Attaching a Sign Plate Label. ----End 6.5.4 Installing Transmission Cables When a DBS3900 is deployed outdoors, transmission cables such as an E1/T1 cable, E1/T1 surge protection cable, FE/GE surge protection cable, FE/GE cable, or FE/GE optical cable must be installed based on onsite requirements.
  • Page 105 Ensure that both ends of the E1 cable are disconnected from any devices. Then, weld connectors to the bare wires at one end of the E1 cable during the same session. Context Route the E1/T1 cable as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Step 1 Connect one end of the E1/T1 cable to the OUTSIDE port on the UELP, as shown in Figure 6-83 Figure 6-84. NOTE For details about how to connect the E1/T1 cable, see Transmission Cable Connections. Figure 6-83 Installing the E1/T1 cable (1) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107 GTMU or WMPT in the BBU. Connect the other end to the FE0 or FE1 port near the INSIDE label on the UFLP in the SLPU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 The descriptions about the installation positions and routes of the FE/GE cables in the -48 V DC cabinet and in the APM30H are the same. For details, see Figure 6-86. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Make the shield layer of the FE/GE cable in full contact with the ground clip, and tighten the M4 screws on the clip until the tightening torque reaches 1.2 N·m. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 110 The optical module to be installed must have a matching rate with the corresponding CPRI port. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 111 SFP1 port on the LMPT, as shown in Figure 6-89. Figure 6-89 Installing an optical module Step 2 Insert a FE/GE optical cable into the optical module, as shown in Figure 6-90. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112: Installing Monitoring Signal Cables

    ----End 6.5.5 Installing Monitoring Signal Cables When a DBS3900 is deployed outdoors with AC power supply, the BBU can be installed in an APM30H. In this case, monitoring signal cables must be installed based on actual cabinet configurations onsite, which are one APM30H, one APM30H+one IBBS200D/IBBS200T, one...
  • Page 113 APM30H, and the BBU2 is installed in the extended APM30H, and all the monitoring devices are connected to the BBU1, not BBU2, as shown in Figure 6-93. Figure 6-93 Expanding the configuration from one APM30H to two APM30Hs Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 114 CMUA in the extended APM30H to the MON0 port on the UPEU in the BBU. Connect the other end to the COM_IN port on the CMUA in the extended APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 Installing Monitoring Signal Cables in a Scenario of one APM30H+one IBBS200D/ IBBS200T If a DBS3900 is configured with one APM30H and one IBBS200D or IBBS200T, two monitoring signal cables are required between the CMUA and the BBU in the APM30H and between the APM30H and the IBBS200D or IBBS200T.
  • Page 116 APM30H, and the BBU2 is installed in the extended APM30H, and all the monitoring devices are connected to the BBU1, not BBU2, Figure 6-97 shows the configuration expansion from one APM30H+one IBBS200D/IBBS200T to two APM30Hs+two IBBS200Ds/IBBS200Ts. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117 Connect one end of the monitoring signal cable between the CMUA and the BBU to the COM_IN port on the CMUA in the APM30H. Connect the other end to the MON1 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118 IBBS200T to the COM_IN port on the CMUA on the cabinet door of the IBBS200D or IBBS200T. Connect the other end to the COM_485 port on the PMU in the APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-99 Installing a monitoring signal cable between the APM30H and the IBBS200D Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 120 IBBS200D or IBBS200T under the APM30H to the COM_IN port on the CMUA on the cabinet door of the IBBS200D or IBBS200T, and then connect the other end to the COM_485 port on the PMU in the APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121 Installing Monitoring Signal Cables in a Scenario of one APM30H+two IBBS200Ds/IBBS200Ts If a DBS3900 is configured with one APM30H and two IBBS200Ds or IBBS200Ts, monitoring signal cables between the CMUA and the BBU in an APM30H, between the APM30H and the...
  • Page 122 APM30H, and the BBU2 is installed in the extended APM30H, and all the monitoring devices are connected to the BBU1, not BBU2, Figure 6-103 shows the configuration expansion from one APM30H+two IBBS200Ds/IBBS200Ts to two APM30Hs+four IBBS200Ds/IBBS200Ts. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 123 Figure 6-104 Installing a monitoring signal cable between the CMUA and the BBU in an APM30H Step 2 Install a monitoring signal cable between the cascaded CMUAs in the two IBBS200Ds or IBBS200Ts, as shown in Figure 6-105. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 124 IBBS200T to the COM_IN port on the CMUA on the cabinet door of the IBBS200D or IBBS200T. Connect the other end to the COM_485 port on the PMU in the APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 125 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-106 Installing a monitoring signal cable between the APM30H and the IBBS200D Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 126 CMUA in the extended APM30H to the MON0 port on the UPEU in the BBU, and then connect the other end to the COM_IN port on the CMUA. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 127 Installing Monitoring Signal Cables in a Scenario of one APM30H+one TMC11H If a DBS3900 is configured with one APM30H and one TMC11H, monitoring signal cables between the CMUA and the BBU in the APM30H and between the BBU in the APM30H and the CMUA in the TMC11H must be installed.
  • Page 128 Connect one end of the monitoring signal cable between the CMUA and the BBU to the COM_IN port on the CMUA in the APM30H. Connect the other end to the MON1 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 129 Step 3 If one more APM30H is configured, connect one end of the monitoring signal cable between the BBU in the APM30H and the CMUA in the extended APM30H to the MON1 port on the Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 130 Installing Monitoring Signal Cables in a Scenario of one APM30H+one IBBS200D/ IBBS200T+one TMC11H If a DBS3900 is configured with one APM30H, one TMC11H, and one IBBS200D or IBBS200T, monitoring signal cables between the CMUA and the BBU in the APM30H, between the APM30H and the IBBS200D or IBBS200T, and between the APM30H and the TMC11H must be installed.
  • Page 131 APM30H+one IBBS200D/IBBS200T+one TMC11H to two APM30Hs+two IBBS200Ds/ IBBS200Ts+one TMC11H. Figure 6-115 Expanding the configuration from one APM30H+one IBBS200D/IBBS200T+one TMC11H to two APM30Hs+two IBBS200Ds/IBBS200Ts+one TMC11H Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 132 IBBS200T to the COM_IN port on the CMUA on the cabinet door of the IBBS200D or IBBS200T. Connect the other end to the COM_485 port on the PMU in the APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 133 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-117 Installing a monitoring signal cable between the APM30H and the IBBS200D Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 134 Connect one end of the monitoring signal cable between the BBU in the APM30H and the CMUA in the TMC11H to the COM_IN port on the CMUA. Connect the other end to the MON0 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 135 APM30H to the COM_OUT port on the CMUA in the TMC11H, and then connect the other end to the COM_IN port on the CMUA in the extended APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 136 Installing Monitoring Signal Cables in a Scenario of one APM30H+two IBBS200Ds/IBBS200Ts+one TMC If a DBS3900 is configured with one APM30H, one TMC, and two IBBS200Ds or IBBS200Ts, monitoring signal cables between the CMUA and the BBU in the APM30H, between the...
  • Page 137 APM30H, and the BBU2 is installed in the extended APM30H, and all the monitoring devices are connected to the BBU1, not BBU2, Figure 6-122 shows the configuration expansion from one APM30H+two IBBS200Ds/IBBS200Ts+one TMC to two APM30Hs+four IBBS200Ds/ IBBS200Ts+one TMC. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 138 Connect one end of the monitoring signal cable between the CMUA and the BBU to the COM_IN port on the CMUA in the APM30H. Connect the other end to the MON1 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 139 IBBS200T to the COM_IN port on the CMUA on the cabinet door of the IBBS200D or IBBS200T. Connect the other end to the COM_485 port on the PMU in the APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 140 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-124 Installing a monitoring signal cable between the APM30H and the IBBS200D Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 141 COM_OUT port on the CMUA on the cabinet door of the IBBS200D or IBBS200T under the APM30H. Connect the other end to the COM_IN port on the CMUA on the cabinet door of the second IBBS200D or IBBS200T. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 142 Connect one end of the monitoring signal cable between the BBU in the APM30H and the CMUA in the TMC11H to the COM_IN port on the CMUA. Connect the other end to the MON0 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 143 APM30H to the COM_OUT port on the CMUA in the TMC11H, and then connect the other end to the COM_IN port on the CMUA in the extended APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 144: Installing A Cpri Optical Cable

    The optical module to be installed must have a matching rate with the corresponding CPRI port. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 145 If both ends of the optical cable are the LC connectors, the TX and RX ports on the BBU are respectively connected to the TX and RX ports on the RRU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 146: Installing The Batteries And Related Cables

    OFF to prevent high current. Procedure Step 1 Install the batteries from bottom to top and from left to right, as shown in Figure 6-132. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 147 Otherwise, the batteries may be burnt, and the installers may be injured. Figure 6-132 Installing the batteries Step 2 Securing the baffle plate, as shown in Figure 6-133. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 148 Tighten the screws to secure the baffle plate until the tightening torque reaches 1.2 N·m (10.62 lbf·in.). Step 3 Install the power cable for the batteries, as shown in Figure 6-134. Figure 6-134 Installing the power cable for the batteries Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 149: Installation Checklist

    In addition, the mounting ears are secured on the wall evenly and steadily. In the metal-pole-mounted scenario, the supports for the metal pole are secure on the floor. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 150 All self-made PGND cables are copper-based with the proper wire diameters. No breaking device such as switch and fuse is allowed for the electric connection of the grounding system. No short circuit is allowed. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 151 35°C), and the inner air circulation fan rotates in a low speed. The MCBs for the batteries are set to OFF. Cable Installation Checklist Table 6-14 describes the cable installation checklist. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 152 The flat washer and spring washer are well mounted on all OT terminals, and the OT terminals are intact and contact the wiring terminals properly. All the cables, including those on the bottom of the cabinet, are securely connected. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 153: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the Outdoor Scenario with AC Power Supply (BBU Installed...
  • Page 154 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-136 Power-on check in the outdoor scenario with AC power supply (BBU installed in an APM30H) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 155: Subsequent Operations

    After all the cables are installed, you need to seal the cable holes of the base. Procedure Step 1 Use baffle plates to cover the idle cable holes, and then tighten screws on the plates, as shown Figure 6-137. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 156: Applying Touch-Up Paint

    Step 3 Tighten the screws on the front baffle plate of the base. ----End 6.9.2 Applying Touch-Up Paint The paint on the surface is intact. If any paint is damaged, you must apply touch-up paint to avoid erosion. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 157: Applying Grease

    Procedure Step 1 Install a cable outlet subrack on both sides at the bottom of a cabinet, as shown in Figure 6-139. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 158 Step 3 Apply grease to the surfaces of the cables, and then route the cables through the cable outlet modules. Apply grease to the rubber caps evenly, and then insert the rubber caps into unused cable holes, as shown in Figure 6-141. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 159 DBS3900 (Ver.B) 6 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an APM30H) Figure 6-141 Applying grease to cables and rubber caps ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 160: Outdoor Scenario With Dc Power Supply (Bbu Installed In A Tmc11H)

    TMC11H. 7.1 Installation Process When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in a TMC11H, you must install the TMC11H, components in it, and related cables. In addition, some optional components may be required based on actual requirements.
  • Page 161 7 Outdoor Scenario with DC Power Supply (BBU Installed Installation Guide in a TMC11H) Before a DBS3900 starts operating, you must check the power-on status of the cabinet and components in it. 7.8 Subsequent Operations You must perform subsequent operations after installing a base station and checking related hardware installation.
  • Page 162: Installation Process

    TMC11H) 7.1 Installation Process When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in a TMC11H, you must install the TMC11H, components in it, and related cables. In addition, some optional components may be required based on actual requirements.
  • Page 163 DBS3900 (Ver.B) 7 Outdoor Scenario with DC Power Supply (BBU Installed Installation Guide in a TMC11H) Figure 7-1 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 164: Installing A Cabinet

    150 mm. If the Noise Reduction Module (NRM) is installed, the distance between the cabinets is 150 mm. Figure 7-2 shows the cabinet installation clearance. Figure 7-2 Cabinet installation clearance (plan view) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 165 After marking all the holes, use the measuring tape to check whether the distances between the holes are accurate. Step 2 Drill holes at the anchor points, and then install the expansion bolt assemblies, as shown in Figure 7-4. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 166 Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried into the hole, and then tighten the bolt. Remove the bolt, spring washer, and flat washer counterclockwise. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 167 (1) Level (2) Adjusting pad Step 5 Use a torque wrench to tighten the bolts with the tightening torque of 45 N·m, as shown in Figure 7-7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 168 Figure 7-8 Removing the front cover plate Step 7 Remove the baffle plate from either side of the base (by taking the left side as an example), as shown in Figure 7-9. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 169 Step 1 Remove the four plastic screws from the top of the cabinet, and then install the lifting lugs in the corresponding holes, as shown in Figure 1. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 170 Figure 7-11 Installing the lifting lugs (1) Plastic screw (2) Lifting lug Step 2 Install ropes on the lifting lugs, and then lift the cabinet, as shown in Figure 2. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 171 Step 3 Lift the cabinet onto the base, and then gently push the cabinet to align the cabinet with the base, as shown in Figure 7-13. WARNING At least two installation engineers are required for lifting the cabinet. Figure 7-13 Lifting a cabinet onto a base Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 172 Before installing the rubber screws, clean the mounting holes to prevent entry of metal bits. Figure 7-14 Installing the plastic screws Step 5 Use four M12x30 bolts to secure the cabinet on the base, as shown in Figure 7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 173 Step 1 Remove the cover plates for cable holes from the top of the lower cabinet, as shown in Figure 7-16. Figure 7-16 Removing the cover plates for cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 174 Figure 7-18 Positions of the cover plates for the round cable holes WARNING At least two installers are required for lifting a cabinet. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 175 Step 4 Use a torque wrench to tighten the four M12x30 bolts in the cabinet, as shown in Figure 7-20. Figure 7-20 Tightening the bolts (1) M12x30 bolt (2) Spring washer (3) Flat washer (4) Gasket with an oblong hole ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 176: Installing A Cabinet On A Metal Pole

    (7) Waterproof gasket Step 2 Remove the two plastic screws that are near the back of the cabinet from the top of the cabinet, as shown in Figure 7-22. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 177 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 7-24 shows the positions of the cover plates for the round cable holes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 178 Step 5 Lead the U-shaped piece through the holes on the fastening bar installed on the top of the cabinet, as shown in Figure 7-26. NOTE When a cabinet is installed on a metal pole, grease must be applied. For details, see 7.8.3 Applying Grease. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 179: Installing A Cabinet On A Wall

    The cabinet cannot be installed at a height of more than 10,000 mm. Procedure Step 1 Press a marking template against the wall, and then mark six mounting holes based on the marking template, as shown in Figure 7-27. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 180 Step 3 Align the holes on the trapezoidal rack with the four lower mounting holes on the wall, and then use four M12×30 bolts to secure the trapezoidal rack, as shown in Figure 7-29. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 181 Step 5 Install a fastening bar on the top of the cabinet, and then use a socket wrench to tighten the two bolts, as shown in Figure 7-31. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 182 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 7-32 shows the positions of the cover plates for the round cable holes. Figure 7-32 Positions of the cover plates for the round cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 183 Figure 7-34. NOTE When a cabinet is installed on the wall, grease must be applied. For details, see 7.8.3 Applying Grease. Figure 7-34 Securing a fastening bar Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 184: Installing A Pgnd Cable And Equi-Potential Cable

    Figure 7-36. NOTE When installing the PGND cable, keep the crimping tube of the OT terminal in the direction shown in Figure 7-35. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 185: Installing Components

    APM30H, TMC11H, or 19-inch rack. A BBU occupies a space of 19 inch wide and 2 U high. Context In the triple mode scenario, two BBUs are required. A second BBU is installed in the same manner as the first BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 186: Installing An Slpu

    Procedure Step 1 Install cable holders for an SLPU, as shown in Figure 7-39. Remove the four bolts from the mounting ears of the SLPU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 187 Step 2 Slide the SLPU along the guide rails into the cabinet, and then tighten two M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in Figure 7-40. Figure 7-40 Installing an SLPU Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 188: Installing An Slpu

    USLP2. Table 7-2 Mapping relationship between the pins in the input and output ports on the USLP2 Input Output Label Label IN0.1 OUT1 OUT1.1 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 189 Step 1 Install cable racks on both sides of the SLPU and ensure that the mounting ears are on the same plane as the SLPU panel, as shown in Figure 7-43. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 190 SLPU, as shown in Figure 7-44. Figure 7-44 Installing the SLPU Step 3 Install the surge protection transfer cable for monitoring signals, as shown in Figure 7-45. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 191 Figure 7-46 Connections of surge protection cables for monitoring signals Step 4 Install the external dry-contact monitoring signal cables, as shown in Figure 7-47. Figure 7-47 External dry-contact monitoring signal cables Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 192: Optional) Installing A Ac Heater

    SOU, as shown in Figure 7-49. Figure 7-48 Position for installing an AC heater (1) Figure 7-49 Position for installing an AC heater (2) (1) AC heater (2) SOU Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 193 L0, N0, and PE wiring terminals in the junction box. Link the C13 connector at the other end to the power supply socket on the heater. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 194: Optional) Installing An Emua

    NEG(-) cable M4 OT terminal Cord end EMUA terminal EMUA monitoring DB9 male connector RJ45 connector Black signal cable Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 195 Connect the OT terminal at the other end of the power cable to the DC output terminal labeled LOAD7 on the DCDU-03. Step 3 Figure 7-55 shows the connection of the EMUA monitoring signal cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 196: Installing The Gps Surge Protector

    Only a dual-satellite receiver needs to be installed onsite. Procedure Step 1 Remove the two M3 screws on the panel, and then pull out the USCU, as shown in Figure 7-56. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 197 GPS port on the USCU. CAUTION There are six mounting holes on the satellite receiver. You need to install only three screws on the receiver, as shown in Figure 7-57 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 198 Step 3 Install the USCU equipped with the satellite receiver into the BBU, and tighten the screws on the USCU to 0.6 N·m. Step 4 Install the GPS clock signal cable on the support, as shown in Figure 7-58. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 199 Figure 7-59 Installing the support on the cabinet Step 6 Connect the GPS clock signal cable to the GPS port on the USCU, as shown in Figure 7-60. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 200 The figure of the GPS surge protector is for reference only. The actual appearance may be different. Step 8 Install the GPS jumper, as shown in Figure 7-62. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 201: Installing Cables

    This section describes the procedures and precautions to be taken for installing power cables, transmission cables, monitoring signal cables, and CPRI cables when a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in a TMC11H.
  • Page 202 Other devices must not be used for electrical connections of the PGND cables. All the metal parts in the housing of the equipment must be reliably connected to the ground terminal. Cabling requirements for E1 cables are as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 203: Installing A Cable Outlet Module In A Cabinet

    You can route the cables that are not mentioned through vacant cable holes matching their cross-sectional areas. Different colors of cable holes in the figure stand for different cable diameters. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 204 CAUTION Lead a cable through the cable hole with an aperture matching the cross-sectional area of the cable for effective sealing, as shown in Figure 7-65. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 205: Installing Power Cables

    ----End 7.5.3 Installing Power Cables When a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in a TMC11H, power cables such as an input power cable for the TMC11H, BBU power cable, and RRU power cables must be installed.
  • Page 206 Step 5 Run each cable that leaves the cabinet in the PVC corrugated pipe, and then tie the pipe to the cable hole in the cabinet. ----End Installing a BBU Power Cable A BBU power cable feeds power into a BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 207 UPEU in the BBU, and the easy power receptacle (pressfit type) connectors at the other end are connected to the LOAD6 and LOAD7 ports on the DCDU-03B, respectively. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 208 OT terminals bent by Heat shrink 90° [M4] tubing Black RRU power RTN(+) OT terminals bent by OT terminal (M4, 4 European cable wire standard 90° (M4, 4 mm Brown Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 209 Connect the blue and black (or brown) wires at the other end to the wiring terminals labeled NEG(-) and RTN(+) in the cabling cavity of the RRU respectively. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 210 7-69. Figure 7-69 Installing a grounding clip Step 4 Route the cable by referring to 7.5.1 Cabling Requirements, and then use cable ties to bind the cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 211: Installing Transmission Cables

    ----End 7.5.4 Installing Transmission Cables When a DBS3900 is deployed outdoors, transmission cables such as an E1/T1 cable, E1/T1 surge protection cable, FE/GE surge protection cable, FE/GE cable, or FE/GE optical cable must be installed based on onsite requirements.
  • Page 212 Step 1 Connect one end of the E1/T1 cable to the OUTSIDE port on the UELP, as shown in Figure 7-71 Figure 7-72. NOTE For details about how to connect the E1/T1 cable, see Transmission Cable Connections. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 213 Step 3 Route the cable along the right of the cabinet by referring to 7.5.1 Cabling Requirements, and then use cable ties to bind the cable. Step 4 Label the installed cables by referring to Attaching an L-Shaped Label. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 214 Step 1 Connect one end of the FE/GE cable to the FE0 or FE1 port near the OUTSIDE label on the UFLP, as shown in Figure 7-74 Figure 7-75. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 215 Step 2 Install a ground clip for the FE/GE cable in a proper position within 1 m from the cable outlet of the cabinet, as shown in Figure 7-76. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 216 This section describes the procedure and precautions to be taken for installing a FE/GE optical cable. Context The single-mode optical module is labeled "SM" and multi-mode optical module is labeled "MM". Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 217 SFP1 port on the LMPT, as shown in Figure 7-77. Figure 7-77 Installing an optical module Step 2 Insert a FE/GE optical cable into the optical module, as shown in Figure 7-78. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 218: Installing Monitoring Signal Cables

    ----End 7.5.5 Installing Monitoring Signal Cables When a DBS3900 is configured with one TMC11H, a monitoring signal cable between the CMUA and the BBU must be installed in the TMC11H. If another TMC11H is configured, another monitoring signal cable is required.
  • Page 219 TMC11H to the MON0 port on the UPEU in the BBU in the TMC11H. Connect the other end to the COM_IN port on the CMUA in the extended TMC11H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 220: Installing A Cpri Optical Cable

    The performance of an optical module that is exposed to the air for more than 20 minutes may be abnormal. Therefore, you must insert an fiber optic cable into an unpacked optical module within 20 minutes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 221 If both ends of the optical cable are the LC connectors, the TX and RX ports on the BBU are respectively connected to the TX and RX ports on the RRU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 222: Installation Checklist

    In the wall-mounted scenario, the holes of the mounting ears are well aligned with the holes of the expansion bolt assemblies. In addition, the mounting ears are secured on the wall evenly and steadily. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 223 All self-made PGND cables are copper-based with the proper wire diameters. No breaking device such as switch and fuse is allowed for the electric connection of the grounding system. No short circuit is allowed. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 224 35°C), and the inner air circulation fan rotates in a low speed. The MCBs for the batteries are set to OFF. Cable Installation Checklist Table 7-11 describes the cable installation checklist. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 225 The flat washer and spring washer are well mounted on all OT terminals, and the OT terminals are intact and contact the wiring terminals properly. All the cables, including those on the bottom of the cabinet, are securely connected. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 226: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the Outdoor Scenario with DC Power Supply (BBU Installed...
  • Page 227 The normal status of the LEDs on a GTMU, WMPT, WBBP, LMPT, LBBP, and UTRP is as follows: – RUN LED: on for 1s and off for 1s Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 228: Subsequent Operations

    (2) Baffle plate at the rear (3) Baffle plate on the left Step 2 Use fireproof clay to seal the cable holes of the base, as shown in Figure 7-88. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 229: Applying Touch-Up Paint

    Code of Huawei International Color Sample Color Code Cabinet (including the RAL7035 YB026 RAL7035 APM30H, RFC, TMC11H, IBBS200T, and IBBS200D) Base 3010 Light YB030 Pontone 422U gray Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 230: Applying Grease

    Step 1 Install a cable outlet subrack on both sides at the bottom of a cabinet, as shown in Figure 7-89. Figure 7-89 Installing a cable outlet subrack Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 231 Apply grease to the rubber caps evenly, and then insert the rubber caps into unused cable holes, as shown in Figure 7-91. Figure 7-91 Applying grease to cables and rubber caps ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 232: Outdoor Scenario With Dc Power Supply (Bbu Installed In A +24 V Dc Apm30H)

    +24 V DC APM30H. 8.1 Installation Process When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in a +24 V DC APM30H, you must install the APM30H, components in it, and related cables on site.
  • Page 233 8 Outdoor Scenario with DC Power Supply (BBU Installed Installation Guide in a +24 V DC APM30H) Before a DBS3900 starts operating, you must check the power-on status of the cabinet and components in it. 8.8 Subsequent Operations You must perform subsequent operations after installing a base station and checking related hardware installation.
  • Page 234: Installation Process

    +24 V DC APM30H) 8.1 Installation Process When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in a +24 V DC APM30H, you must install the APM30H, components in it, and related cables on site.
  • Page 235 DBS3900 (Ver.B) 8 Outdoor Scenario with DC Power Supply (BBU Installed Installation Guide in a +24 V DC APM30H) Figure 8-1 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 236: Installing A Cabinet

    150 mm. If the Noise Reduction Module (NRM) is installed, the distance between the cabinets is 150 mm. Figure 8-2 shows the cabinet installation clearance. Figure 8-2 Cabinet installation clearance (plan view) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 237 After marking all the holes, use the measuring tape to check whether the distances between the holes are accurate. Step 2 Drill holes at the anchor points, and then install the expansion bolt assemblies, as shown in Figure 8-4. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 238 Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried into the hole, and then tighten the bolt. Remove the bolt, spring washer, and flat washer counterclockwise. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 239 (1) Level (2) Adjusting pad Step 5 Use a torque wrench to tighten the bolts with the tightening torque of 45 N·m, as shown in Figure 8-7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 240 Figure 8-8 Removing the front cover plate Step 7 Remove the baffle plate from either side of the base (by taking the left side as an example), as shown in Figure 8-9. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 241 Step 1 Remove the four plastic screws from the top of the cabinet, and then install the lifting lugs in the corresponding holes, as shown in Figure 1. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 242 Figure 8-11 Installing the lifting lugs (1) Plastic screw (2) Lifting lug Step 2 Install ropes on the lifting lugs, and then lift the cabinet, as shown in Figure 2. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 243 Step 3 Lift the cabinet onto the base, and then gently push the cabinet to align the cabinet with the base, as shown in Figure 8-13. WARNING At least two installation engineers are required for lifting the cabinet. Figure 8-13 Lifting a cabinet onto a base Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 244 Before installing the rubber screws, clean the mounting holes to prevent entry of metal bits. Figure 8-14 Installing the plastic screws Step 5 Use four M12x30 bolts to secure the cabinet on the base, as shown in Figure 7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 245 Step 1 Remove the cover plates for cable holes from the top of the lower cabinet, as shown in Figure 8-16. Figure 8-16 Removing the cover plates for cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 246 Figure 8-18 Positions of the cover plates for the round cable holes WARNING At least two installers are required for lifting a cabinet. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 247 Step 4 Use a torque wrench to tighten the four M12x30 bolts in the cabinet, as shown in Figure 8-20. Figure 8-20 Tightening the bolts (1) M12x30 bolt (2) Spring washer (3) Flat washer (4) Gasket with an oblong hole ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 248: Installing A Cabinet On A Metal Pole

    (7) Waterproof gasket Step 2 Remove the two plastic screws that are near the back of the cabinet from the top of the cabinet, as shown in Figure 8-22. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 249 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 8-24 shows the positions of the cover plates for the round cable holes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 250 Step 5 Lead the U-shaped piece through the holes on the fastening bar installed on the top of the cabinet, as shown in Figure 8-26. NOTE When a cabinet is installed on a metal pole, grease must be applied. For details, see 8.8.3 Applying Grease. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 251: Installing A Cabinet On A Wall

    The cabinet cannot be installed at a height of more than 10,000 mm. Procedure Step 1 Press a marking template against the wall, and then mark six mounting holes based on the marking template, as shown in Figure 8-27. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 252 Step 3 Align the holes on the trapezoidal rack with the four lower mounting holes on the wall, and then use four M12×30 bolts to secure the trapezoidal rack, as shown in Figure 8-29. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 253 Step 5 Install a fastening bar on the top of the cabinet, and then use a socket wrench to tighten the two bolts, as shown in Figure 8-31. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 254 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 8-32 shows the positions of the cover plates for the round cable holes. Figure 8-32 Positions of the cover plates for the round cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 255 Figure 8-34. NOTE When a cabinet is installed on the wall, grease must be applied. For details, see 8.8.3 Applying Grease. Figure 8-34 Securing a fastening bar Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 256: Installing A Pgnd Cable And Equipotential Cable

    Figure 8-36. NOTE When installing the PGND cable, keep the crimping tube of the OT terminal in the direction shown in Figure 8-35. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 257: Installing Components

    APM30H, TMC11H, or 19-inch rack. A BBU occupies a space of 19 inch wide and 2 U high. Context In the triple mode scenario, two BBUs are required. A second BBU is installed in the same manner as the first BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 258: Installing An Slpu

    Procedure Step 1 Install cable holders for an SLPU, as shown in Figure 8-39. Remove the four bolts from the mounting ears of the SLPU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 259 Step 2 Slide the SLPU along the guide rails into the cabinet, and then tighten two M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in Figure 8-40. Figure 8-40 Installing an SLPU Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 260: Installing An Slpu

    USLP2. Table 8-2 Mapping relationship between the pins in the input and output ports on the USLP2 Input Output Label Label IN0.1 OUT1 OUT1.1 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 261 Step 1 Install cable racks on both sides of the SLPU and ensure that the mounting ears are on the same plane as the SLPU panel, as shown in Figure 8-43. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 262 SLPU, as shown in Figure 8-44. Figure 8-44 Installing the SLPU Step 3 Install the surge protection transfer cable for monitoring signals, as shown in Figure 8-45. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 263 Figure 8-46 Connections of surge protection cables for monitoring signals Step 4 Install the external dry-contact monitoring signal cables, as shown in Figure 8-47. Figure 8-47 External dry-contact monitoring signal cables Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 264: Optional) Installing An Emua

    Procedure Step 1 Use four screws to install the EMUA in the TMC11H cabinet, as shown in Figure 8-48. Figure 8-48 Installing the EMUA in the cabinet Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 265 Figure 8-50 Installing a monitoring signal cable for the EMUA Connect the DB9 male connector at one end of the signal cable to the wiring terminal labeled RS-485 in left of the EMUA panel. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 266: Installing The Gps Surge Protector

    0.1 N·m. Connect one end of the RF jumper to the RF port on the satellite receiver and the other end to the GPS port on the USCU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 267 Step 3 Install the USCU equipped with the satellite receiver into the BBU, and tighten the screws on the USCU to 0.6 N·m. Step 4 Install the GPS clock signal cable on the support, as shown in Figure 8-53. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 268 Figure 8-54 Installing the support on the cabinet Step 6 Connect the GPS clock signal cable to the GPS port on the USCU, as shown in Figure 8-55. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 269 The figure of the GPS surge protector is for reference only. The actual appearance may be different. Step 8 Install the GPS jumper, as shown in Figure 8-57. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 270: Installing Cables

    This section describes the procedures and precautions to be taken for installing power cables, transmission cables, monitoring signal cables, and CPRI cables when a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in a +24 V DC APM30H.
  • Page 271 Other devices must not be used for electrical connections of the PGND cables. All the metal parts in the housing of the equipment must be reliably connected to the ground terminal. Cabling requirements for E1 cables are as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 272: Installing A Cable Outlet Module In A Cabinet

    You can route the cables that are not mentioned through vacant cable holes matching their cross-sectional areas. Different colors of cable holes in the figure stand for different cable diameters. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 273 CAUTION Lead a cable through the cable hole with an aperture matching the cross-sectional area of the cable for effective sealing, as shown in Figure 8-60. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 274: Installing Power Cables

    ----End 8.5.3 Installing Power Cables When a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in a +24 V DC APM30H, power cables such as an input power cable for the APM30H, BBU power cable, and RRU power cables must be installed.
  • Page 275 Step 6 Run each cable that leaves the cabinet in the PVC corrugated pipe, and then tie the pipe to the cable hole in the cabinet. ----End Installing a BBU Power Cable A BBU power cable feeds power into a BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 276 UPEU in the BBU, and the easy power receptacle (pressfit type) connectors at the other end are connected to the LOAD6 and LOAD7 ports on the DCDU-03B, respectively. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 277 OT terminals bent by Heat shrink 90° [M4] tubing Black RRU power RTN(+) OT terminals bent by OT terminal (M4, 4 European cable wire standard 90° (M4, 4 mm Brown Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 278 LOAD0 to LOAD5 on the DCDU-03B. Connect the blue and black wires at the other end to the wiring terminals labeled NEG(-) and RTN(+) in the cabling cavity of the RRU respectively. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 279 8-64. Figure 8-64 Installing a grounding clip Step 4 Route the cable by referring to 8.5.1 Cabling Requirements, and then use cable ties to bind the cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 280: Installing Transmission Cables

    ----End 8.5.4 Installing Transmission Cables When a DBS3900 is deployed outdoors, transmission cables such as an E1/T1 cable, E1/T1 surge protection cable, FE/GE surge protection cable, FE/GE cable, or FE/GE optical cable must be installed based on onsite requirements.
  • Page 281 Step 1 Connect one end of the E1/T1 cable to the OUTSIDE port on the UELP, as shown in Figure 8-66 Figure 8-67. NOTE For details about how to connect the E1/T1 cable, see Transmission Cable Connections. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 282 Step 3 Route the cable along the right of the cabinet by referring to 8.5.1 Cabling Requirements, and then use cable ties to bind the cable. Step 4 Label the installed cables by referring to Attaching an L-Shaped Label. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 283 Step 1 Connect one end of the FE/GE cable to the FE0 or FE1 port near the OUTSIDE label on the UFLP, as shown in Figure 8-69 Figure 8-70. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 284 Step 2 Install a ground clip for the FE/GE cable in a proper position within 1 m from the cable outlet of the cabinet, as shown in Figure 8-71. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 285 This section describes the procedure and precautions to be taken for installing a FE/GE optical cable. Context The single-mode optical module is labeled "SM" and multi-mode optical module is labeled "MM". Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 286 SFP1 port on the LMPT, as shown in Figure 8-72. Figure 8-72 Installing an optical module Step 2 Insert a FE/GE optical cable into the optical module, as shown in Figure 8-73. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 287: Installing Monitoring Signal Cables

    Figure 8-74 Coiling the optical fiber with winding plastic tape ----End 8.5.5 Installing Monitoring Signal Cables When a DBS3900 is configured with one +24 V DC APM30H, you must install a monitoring signal cable and in-position signal cable for the PSU (DC/DC). Procedure...
  • Page 288: Installing A Cpri Optical Cable

    The optical module to be installed must have a matching rate with the corresponding CPRI port. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 289 If both ends of the optical cable are the LC connectors, the TX and RX ports on the BBU are respectively connected to the TX and RX ports on the RRU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 290: Installation Checklist

    In the wall-mounted scenario, the holes of the mounting ears are well aligned with the holes of the expansion bolt assemblies. In addition, the mounting ears are secured on the wall evenly and steadily. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 291 All self-made PGND cables are copper-based with the proper wire diameters. No breaking device such as switch and fuse is allowed for the electric connection of the grounding system. No short circuit is allowed. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 292 35°C), and the inner air circulation fan rotates in a low speed. The MCBs for the batteries are set to OFF. Cable Installation Checklist Table 8-11 describes the cable installation checklist. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 293 The flat washer and spring washer are well mounted on all OT terminals, and the OT terminals are intact and contact the wiring terminals properly. All the cables, including those on the bottom of the cabinet, are securely connected. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 294: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the Outdoor Scenario with DC Power Supply (BBU Installed...
  • Page 295 Installation Guide in a +24 V DC APM30H) Figure 8-79 Power-on check in the outdoor scenario with DC power supply (BBU installed in a +24 V DC APM30H) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 296: Subsequent Operations

    After all the cables are installed, you need to seal the cable holes of the base. Procedure Step 1 Use baffle plates to cover the idle cable holes, and then tighten screws on the plates, as shown Figure 8-80. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 297: Applying Touch-Up Paint

    Step 3 Tighten the screws on the front baffle plate of the base. ----End 8.8.2 Applying Touch-Up Paint The paint on the surface is intact. If any paint is damaged, you must apply touch-up paint to avoid erosion. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 298: Applying Grease

    Procedure Step 1 Install a cable outlet subrack on both sides at the bottom of a cabinet, as shown in Figure 8-82. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 299 Step 3 Apply grease to the surfaces of the cables, and then route the cables through the cable outlet modules. Apply grease to the rubber caps evenly, and then insert the rubber caps into unused cable holes, as shown in Figure 8-84. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 300 8 Outdoor Scenario with DC Power Supply (BBU Installed Installation Guide in a +24 V DC APM30H) Figure 8-84 Applying grease to cables and rubber caps ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 301: Outdoor Scenario With Dc Power Supply (Bbu Installed In An Omb)

    (BBU Installed in an OMB) About This Chapter This chapter describes the procedures for installing an OMB, components in it, and related cables when a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in the OMB. 9.1 Installation Process When a DBS3900 is deployed outdoors and the BBU is installed in an OMB, you must install the OMB, components in it, and related cables.
  • Page 302: Installation Process

    OMB) 9.1 Installation Process When a DBS3900 is deployed outdoors and the BBU is installed in an OMB, you must install the OMB, components in it, and related cables. In addition, some optional components may be required based on actual requirements.
  • Page 303 DBS3900 (Ver.B) 9 Outdoor Scenario with DC Power Supply (BBU Installed Installation Guide in an OMB) Figure 9-1 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 304: Installing An Omb

    Use a level to check whether the brackets are on a horizontal plane. Figure 9-2 Installing upper brackets (1) Flat washer (2) Spring washer (3) M10x10 bolt Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 305 28 N·m, as shown in Figure 9-4. Figure 9-4 Installing a backplane on a metal pole Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 306: Installing An Omb On A Wall

    Step 1 Mark four anchor points based on the positions of the holes in the backplane, and ensure that two anchor points are on the same horizontal plane by using the level, as shown in Figure 9-6. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 307 Step 2 Use the hammer drill with a Φ14 bit to drill a hole at each marked anchor points, and then install an expansion bolt assembly, as shown in Figure 9-7. NOTE After the expansion bolt assembly is removed from the wall, the plastic tube must be discarded. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 308 (5) Expansion tube Step 3 Align the expansion bolt assemblies with the hole and secure the backplane to the wall, as shown Figure 9-8. Figure 9-8 Installing the backplane Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 309: Installing A Bbu

    9.3 Installing a BBU This section describes the procedure and precautions to be taken for installing a BBU in an OMB when a DBS3900 is deployed outdoors. Procedure Step 1 Install the mounting ears on both sides of the BBU reversely.
  • Page 310 Figure 9-10 Removing the mounting ears Removing two ground screws,as shown in Figure 9-11. Figure 9-11 Removing the ground screws Install the mounting ears reversely, as shown in Figure 9-12. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 311: Installing Cables

    9.4 Installing Cables This section describes the procedures and precautions to be taken for installing power cables, transmission cables, monitoring signal cables, and CPRI cables when a DBS3900 is deployed outdoors and the BBU is installed in an OMB. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright ©...
  • Page 312: Cabling Requirements

    If the length of power cables is insufficient, replace the cables rather than adding connectors or soldering joints to lengthen the cables. Cabling requirements for PGND cables are as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 313: Installing A Cable Outlet Module In An Omb

    Context Cable outlet modules are installed on both sides at the bottom of an OMB, as shown in Figure 9-14. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 314 Figure 9-16 shows the cable holes in the right cable outlet module. Figure 9-15 Cable holes in the left cable outlet module Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 315 Step 3 Place the cable outlet module in the cable through at the bottom, and then install the baffle plate and bolts, as shown in Figure 9-18. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 316: Installing A Pgnd Cable

    Connect one end of the PGND cable to the rightmost ground terminal on the ground bar at the bottom of an OMB, and then tighten the screw on the ground terminal. Connect the other end to an external ground bar. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 317: Installing Power Cables

    ----End 9.4.4 Installing Power Cables When a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in an OMB, power cables such as an input power cable for the OMB, BBU power cable, and RRU power cables must be installed.
  • Page 318 Link the OT terminals on the blue and black wires at one end of the input power cable for the OMB to the wiring terminals labeled NEG(-) and RTN(+) on the DCDU-03B respectively. Figure 9-20 Installing an input power cable for the OMB Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 319 Step 5 Waterproof the connector. ----End Installing a BBU Power Cable A BBU power cable feeds power into the BBU from the DCDU-03B when a DBS3900 works in DC power supply scenario. Context Table 9-3 lists the specifications of a BBU power cable when a DCDU-03B supplies power.
  • Page 320 An RRU power cable feeds -48 V DC power into an RRU from a DCDU-03B. Context Table 9-4 lists the specifications of RRU power cables when a DCDU-03B supplies power. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 321 RRU power cable according to the type of power supply socket on the RRU. l Add an OT terminal. For details, see the related RRU Installation Guide. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 322 M4 screws on the clip until the tightening torque reaches 1.2 N·m, as shown in Figure 9-23. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 323: Installing Transmission Cables

    ----End 9.4.5 Installing Transmission Cables When a DBS3900 is deployed outdoors with DC power supply and the BBU is installed in an OMB, transmission cables such as an E1/T1 cable and E1/T1 surge protection transfer cable or FE/GE cable and FE/GE surge protection transfer cable must be installed based on actual requirements onsite.
  • Page 324 ----End Installing an E1/T1 cable When a DBS3900 is deployed outdoors with DC power supply, the BBU can be installed in an OMB. In this case, an E1/T1 cable connects the surge protection unit and external transmission equipment for E1/T1 signal transmission.
  • Page 325 M4 screws on the clip until the tightening torque reaches 1.2 N·m, as shown in Figure 9-26. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 326 FE0 port on the GTMU or WMPT or FE/GE port on the UTRP9 in the BBU. Connect the other end to the FE0 or FE1 port near the INSIDE label on the UFLP in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 327 Step 3 Label the installed cables. For details, see Attaching an L-Shaped Label. ----End Installing a FE/GE Cable When a DBS3900 is deployed outdoors, a FE/GE cable connects the surge protection unit and external transmission equipment for FE/GE signal transmission. Procedure...
  • Page 328: Installing A Monitoring Signal Cable Between The Heua And The Bbu

    Connect one end of the monitoring signal cable between the HEUA and the BBU to the COM IN port on the HEUA on the door of the OMB. Connect the other end to the MON1 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 329: Installing A Cpri Optical Cable

    The performance of an optical module that is exposed to the air for more than 20 minutes may be abnormal. Therefore, you must insert an fiber optic cable into an unpacked optical module within 20 minutes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 330 If both ends of the optical cable are the LC connectors, the TX and RX ports on the BBU are respectively connected to the TX and RX ports on the RRU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 331: Installing A Gps Clock Signal Cable

    Only a dual-satellite receiver needs to be installed onsite. Procedure Step 1 Remove the two M3 screws on the panel, and then pull out the USCU, as shown in Figure 9-33. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 332 GPS port on the USCU. CAUTION There are six mounting holes on the satellite receiver. You need to install only three screws on the receiver, as shown in Figure 9-34 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 333 Step 3 Install the USCU equipped with the satellite receiver into the BBU, and tighten the screws on the USCU to 0.6 N·m. Step 4 Connect the GPS clock signal cable to the GPS port on the USCU, as shown in Figure 9-35. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 334: Installation Checklist

    The paint on the surface is intact. If any paint is damaged, you must apply touch- up paint to avoid erosion. Filler panels are installed in the space reserved for customer equipment. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 335 The flat washer and the spring washer are well mounted on all OT terminals. The exterior of the battery is intact without any scratch, dent, or crack. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 336 E1/T1 cable, and FE cable are separately bound. The cable layout facilitates maintenance and future capacity expansion. All the labels at both ends of the cables are legible. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 337 The extra length of 3 mm to 5 mm of the outdoor cable ties is reserved when the cable ties are cut. The unused ports are properly protected. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 338: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the AC Power Supply Scenario...
  • Page 339: Applying Touch-Up Paint

    Step 3 Shake the paint well, and then use a small brush inside the bottle to absorb paint and evenly spread the paint on the damaged area until the area is covered. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 340 The color of the repaired paint coating area should be consistent with that of the surrounding areas, without obvious edges and bulges, and the original damage should no longer be distinguishable. In addition, there should be no paint peeled off. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 341: Outdoor Scenario With Ac Power Supply (Bbu Installed In An Omb)

    (BBU Installed in an OMB) About This Chapter This chapter describes the procedures for installing an OMB, components in it, and related cables when a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in the OMB. 10.1 Installation Process When a DBS3900 is deployed outdoors and the BBU is installed in an OMB, you must install the OMB, components in it, and related cables.
  • Page 342: Installation Process

    OMB) 10.1 Installation Process When a DBS3900 is deployed outdoors and the BBU is installed in an OMB, you must install the OMB, components in it, and related cables. In addition, some optional components may be required based on actual requirements.
  • Page 343 DBS3900 (Ver.B) 10 Outdoor Scenario with AC Power Supply (BBU Installed Installation Guide in an OMB) Figure 10-1 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 344: Installing An Omb

    Use a level to check whether the brackets are on a horizontal plane. Figure 10-2 Installing upper brackets (1) Flat washer (2) Spring washer (3) M10x10 bolt Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 345 28 N·m, as shown in Figure 10-4. Figure 10-4 Installing a backplane on a metal pole Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 346: Installing An Omb On A Wall

    Step 1 Mark four anchor points based on the positions of the holes in the backplane, and ensure that two anchor points are on the same horizontal plane by using the level, as shown in Figure 10-6. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 347 Step 2 Use the hammer drill with a Φ14 bit to drill a hole at each marked anchor points, and then install an expansion bolt assembly, as shown in Figure 10-7. NOTE After the expansion bolt assembly is removed from the wall, the plastic tube must be discarded. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 348 (5) Expansion tube Step 3 Align the expansion bolt assemblies with the hole and secure the backplane to the wall, as shown Figure 10-8. Figure 10-8 Installing the backplane Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 349: Installing A Bbu

    10.3 Installing a BBU This section describes the procedure and precautions to be taken for installing a BBU in an OMB when a DBS3900 is deployed outdoors. Procedure Step 1 Install the mounting ears on both sides of the BBU reversely.
  • Page 350 Figure 10-10 Removing the mounting ears Removing two ground screws,as shown in Figure 10-11. Figure 10-11 Removing the ground screws Install the mounting ears reversely, as shown in Figure 10-12. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 351: Installing Cables

    10.4 Installing Cables This section describes the procedures and precautions to be taken for installing power cables, transmission cables, monitoring signal cables, and CPRI cables when a DBS3900 is deployed outdoors and the BBU is installed in an OMB. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright ©...
  • Page 352: Cabling Requirements

    If the length of power cables is insufficient, replace the cables rather than adding connectors or soldering joints to lengthen the cables. Cabling requirements for PGND cables are as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 353: Installing A Cable Outlet Module In An Omb

    Context Cable outlet modules are installed on both sides at the bottom of an OMB, as shown in Figure 10-14. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 354 Figure 10-16 shows the cable holes in the right cable outlet module. Figure 10-15 Cable holes in the left cable outlet module Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 355 Step 3 Place the cable outlet module in the cable through at the bottom, and then install the baffle plate and bolts, as shown in Figure 10-18. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 356: Installing A Pgnd Cable

    Connect one end of the PGND cable to the rightmost ground terminal on the ground bar at the bottom of an OMB, and then tighten the screw on the ground terminal. Connect the other end to an external ground bar. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 357: Installing Power Cables

    ----End 10.4.4 Installing Power Cables When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in an OMB, power cables such as an input power cable for the OMB, BBU power cable, and RRU power cables must be installed.
  • Page 358 OMB to the wiring terminals labeled N, L, and PE on the AC/ DC power equipment. Figure 10-20 Installing an input power cable for the OMB Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 359 Step 3 Label the installed cables. For details, see Attaching a Cable-Tying Label. ----End Installing a BBU Power Cable When AC power is fed into a DBS3900, a BBU power cable feeds power into the BBU from a power equipment (AC/DC). A BBU power cable feeds power into a BBU. Context...
  • Page 360 American (12 AWG)] (12 AWG)] standard Black NEG(-) OT terminal [M4, 3.3 OT terminal [M4, 3.3 North wire American (12 AWG)] (12 AWG)] standard Blue Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 361 5 m. Connect the blue and black wires at the other end to the wiring terminals labeled NEG(-) and RTN(+) in the cabling cavity of the RRU respectively. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 362 M4 screws on the clip until the tightening torque reaches 1.2 N·m, as shown in Figure 10-23. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 363: Installing Transmission Cables

    ----End 10.4.5 Installing Transmission Cables When a DBS3900 is deployed outdoors with AC power supply and the BBU is installed in an OMB, transmission cables such as an E1/T1 cable and E1/T1 surge protection transfer cable or FE/GE cable and FE/GE surge protection transfer cable must be installed based on actual requirements onsite.
  • Page 364 ----End Installing an E1/T1 cable When a DBS3900 is deployed outdoors with DC power supply, the BBU can be installed in an OMB. In this case, an E1/T1 cable connects the surge protection unit and external transmission equipment for E1/T1 signal transmission.
  • Page 365 M4 screws on the clip until the tightening torque reaches 1.2 N·m, as shown in Figure 10-26. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 366 FE0 port on the GTMU or WMPT or FE/GE port on the UTRP9 in the BBU. Connect the other end to the FE0 or FE1 port near the INSIDE label on the UFLP in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 367 Step 3 Label the installed cables. For details, see Attaching an L-Shaped Label. ----End Installing a FE/GE Cable When a DBS3900 is deployed outdoors, a FE/GE cable connects the surge protection unit and external transmission equipment for FE/GE signal transmission. Procedure...
  • Page 368: Installing A Monitoring Signal Cable Between The Heua And The Bbu

    Connect one end of the monitoring signal cable between the HEUA and the BBU to the COM IN port on the HEUA on the door of the OMB. Connect the other end to the MON1 port on the UPEU in the BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 369: Installing A Cpri Optical Cable

    The performance of an optical module that is exposed to the air for more than 20 minutes may be abnormal. Therefore, you must insert an fiber optic cable into an unpacked optical module within 20 minutes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 370 If both ends of the optical cable are the LC connectors, the TX and RX ports on the BBU are respectively connected to the TX and RX ports on the RRU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 371: Installing A Gps Clock Signal Cable

    Only a dual-satellite receiver needs to be installed onsite. Procedure Step 1 Remove the two M3 screws on the panel, and then pull out the USCU, as shown in Figure 10-33. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 372 GPS port on the USCU. CAUTION There are six mounting holes on the satellite receiver. You need to install only three screws on the receiver, as shown in Figure 10-34 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 373 Step 3 Install the USCU equipped with the satellite receiver into the BBU, and tighten the screws on the USCU to 0.6 N·m. Step 4 Connect the GPS clock signal cable to the GPS port on the USCU, as shown in Figure 10-35. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 374: Installation Checklist

    The paint on the surface is intact. If any paint is damaged, you must apply touch- up paint to avoid erosion. Filler panels are installed in the space reserved for customer equipment. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 375 The flat washer and the spring washer are well mounted on all OT terminals. The exterior of the battery is intact without any scratch, dent, or crack. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 376 E1/T1 cable, and FE cable are separately bound. The cable layout facilitates maintenance and future capacity expansion. All the labels at both ends of the cables are legible. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 377 The extra length of 3 mm to 5 mm of the outdoor cable ties is reserved when the cable ties are cut. The unused ports are properly protected. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 378: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the AC Power Supply Scenario...
  • Page 379 The normal status of the LEDs on a GTMU, WMPT, WBBP, LMPT, LBBP, and UTRP is as follows: – RUN LED: on for 1s and off for 1s Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 380: Applying Touch-Up Paint

    The paint coating should be as thin as possible. No drops are allowed on the paint coating, and the surface should be smooth. Step 4 Perform subsequent operations after the repaired paint coating is exposed in the air for 30 minutes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 381 The color of the repaired paint coating area should be consistent with that of the surrounding areas, without obvious edges and bulges, and the original damage should no longer be distinguishable. In addition, there should be no paint peeled off. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 382: Indoor Scenario With Dc Power Supply (Bbu Installed On A Wall)

    Check the installation items, installation environment, and cable-related items after the cabinets and devices are all installed. 11.6 Power-On Check Before a DBS3900 starts operating, you must check the power-on status of the cabinet and components in it. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright ©...
  • Page 383: Installation Clearance Requirements

    If a BBU and DCDU-03B are installed on a wall, a minimum of 100 mm between them must be reserved for maintenance, as shown in Figure 11-2. NOTE A DCDU-03B must be installed close to a BBU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 384: Installation Process

    Figure 11-2 Installation clearance requirements for a wall-mounted BBU and DCDU-03B 11.2 Installation Process In an indoor wall-mounted scenario, you must install components and related cables on a wall. Figure 11-3 shows the installation process. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 385 DBS3900 (Ver.B) 11 Indoor Scenario with DC Power Supply (BBU Installed Installation Guide on a Wall) Figure 11-3 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 386: Installing Components On A Wall

    Step 2 Tightly press the BBU against the wall, and then use a marker to mark anchor points for the wall-mounting ears, as shown in Figure 11-5. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 387 (4) Flat washer (5) Expansion tube Use a hammer drill with bit 8 to perpendicularly drill holes ranging from 50 mm to 60 mm at the marked anchor points. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 388 M6x60 bolts on the wall-mounting ears for the BBU until the tightening torque reaches 5 N·m, as shown in Figure 11-7. Figure 11-7 Installing a BBU ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 389: Installing A Dcdu-03B

    Step 2 Tightly press the DCDU-03B against the wall, and then use a marker to mark anchor points for the wall-mounting ears, as shown in Figure 11-9. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 390 (4) Flat washer (5) Expansion tube Use a hammer drill with bit 8 to perpendicularly drill holes ranging from 50 mm to 60 mm at the marked anchor points. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 391 M6x60 bolts on the wall-mounting ears for the DCDU-03B until the tightening torque reaches 5 N·m, as shown in Figure 11-11. Figure 11-11 Installing a DCDU-03B ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 392: Installing Cables

    This section describes the procedures and precautions to be taken for installing PGND cables, power cables, transmission cables, monitoring signal cables or alarm cables, and CPRI cables in an indoor wall-mounted scenario for a DBS3900. 11.4.1 Cabling Requirements Cables must be routed according to the specified cabling requirements to prevent signal interference.
  • Page 393: Installing Pgnd Cables

    Vacant optical connectors must be covered with dustproof caps. 11.4.2 Installing PGND Cables When a DBS3900 is deployed in an indoor wall-mounted scenario, PGND cables such as a BBU PGND cable and DCDU-03B PGND cable must be installed. Installing a BBU PGND Cable A BBU PGND cable ensures proper grounding of a BBU.
  • Page 394 Figure 11-12 Installing a BBU PGND cable NOTE When installing the PGND cable, tightly press the OT terminal in the correct direction, as shown in Figure 11-13. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 395 Connect one end of the DCDU-03B PGND cable to the ground terminal on the DCDU-03B, and then connect the other end to an external ground bar, as shown in Figure 11-14. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 396: Installing Power Cables

    Step 3 Label the installed cables. For details, see Labeling Power Cables. ----End 11.4.3 Installing Power Cables When a DBS3900 is deployed indoors with DC power supply, power cables such as a DCDU-03B power cable, BBU power cable, and RRU power cables must be installed. Installing a DCDU-03B Power Cable A DCDU-03B power cable feeds power into a DCDU-03B.
  • Page 397 In the triple mode scenario, two BBUs are required. A second BBU power cable is installed in the same manner as the first BBU power cable. Table 11-4 lists the specifications for a BBU power cable when a DCDU-03B supplies power. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 398 UPEU in the BBU, and the easy power receptacle (pressfit type) connectors at the other end are connected to the LOAD6 and LOAD7 ports on the DCDU-03B, respectively. Figure 11-16 Installing a BBU power cable Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 399 RTN(+) OT terminals bent by Easy power receptacle cable wire (pressfit type) 90° (M4, 4 mm connector NEG(-) OT terminals bent by wire 90° (M4, 4 mm Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 400 Figure 11-17 Installing an RRU power cable Step 3 Route the cable by referring to 11.4.1 Cabling Requirements, and then use cable ties to bind the cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 401: Installing Transmission Cables

    Step 4 Label the installed cables by referring to Attaching a Sign Plate Label. ----End 11.4.4 Installing Transmission Cables When a DBS3900 is deployed indoors with DC power supply, transmission cables such as E1/ T1 cables, FE/GE cables, and FE/GE optical cables must be installed based on onsite requirements.
  • Page 402 Installing a FE/GE Cable A FE/GE cable transmits baseband signals between a BBU and external transmission equipment when a DBS3900 is deployed indoors. Procedure Step 1 Connect one end of a FE/GE cable to the port labeled FE0 on the GTMU or WMPT in a BBU,...
  • Page 403 Figure 11-20 Installing an optical module Step 2 Insert a FE/GE optical cable into the optical module, as shown in Figure 11-21. Figure 11-21 Installing a FE/GE optical cable Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 404: Optional) Installing A Monitoring Signal Cable For The Emua

    Link the RJ45 connector at one end of the monitoring signal cable to the MON0/MON1 port on the UPEU in the BBU. Link the DB9 male connector at the other end to the EMUA. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 405: Installing A Bbu Alarm Cable

    Link the RJ45 connector at one end of the BBU alarm cable to the port labeled EXT-ALM0/ EXT-ALM1 on the UPEU in the BBU. Link the RJ45 connector at the other end to external alarm equipment. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 406: Installing A Cpri Optical Cable

    Therefore, you must insert an fiber optic cable into an unpacked optical module within 20 minutes. Procedure Step 1 Install an optical module, as shown in Figure 11-25. Turn the puller on the optical module outwards. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 407 Step 3 Route the CPRI optical cable along the left of the cabinet, and then lead it out of the cabinet from the cable hole on the left of the bottom. For details, see 11.4.1 Cabling Requirements. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 408: Installing A Gps Clock Signal Cable

    Figure 11-28 Removing the USCU. Step 2 Install a satellite receiver on the USCU, as shown in Figure 11-29. Remove the three M1.6 screws from the USCU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 409 (1) Satellite receiver (2) RF jumper Step 3 Install the USCU equipped with the satellite receiver into the BBU, and tighten the screws on the USCU to 0.6 N·m. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 410: Installation Checklist

    All the bolts, especially those for electrical connections, are tight. Both the spring washer and the flat washer are installed in the correct sequence. The cabinet is neat and clean. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 411 The redundant part of the power cable or PGND cable is stripped off rather than coiled. The terminals at both ends of the power cable or PGND cable are securely soldered or crimped. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 412 The cables are neatly and tightly bound. The cable ties are evenly spaced and face the same direction. Different types of cable, such as the power cable, ground cable, feeder, optical cable, E1/T1 cable, and FE cable are separately bound. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 413 The cable layout facilitates maintenance and future capacity expansion, and the bending radius of the cable meets the requirements. Legible labels are attached to both ends of all cables. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 414: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the AC Power Supply Scenario...
  • Page 415 – ALM LED: off – ACT LED: on RUN LED on the UPEU: on STATE LED on the FAN unit: blinking green slowly (on for 1s and off for 1s) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 416: Indoor Scenario With Dc Power Supply (Bbu Installed In A 19-Inch Rack)

    Check the installation items, installation environment, and cable-related items after the cabinets and devices are all installed. 12.6 Power-On Check Before a DBS3900 starts operating, you must check the power-on status of the cabinet and components in it. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright ©...
  • Page 417: Installation Clearance Requirements For A Bbu

    70 mm in front of the BBU is reserved for cabling, and 800 mm in front of the BBU is reserved for maintenance. 12.2 Installation Process In an indoor 19-inch-rack-mounted scenario, you must install components and related cables in a 19-inch rack. Figure 12-2 shows the installation process. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 418 DBS3900 (Ver.B) 12 Indoor Scenario with DC Power Supply (BBU Installed in Installation Guide a 19-Inch Rack) Figure 12-2 Installation process Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 419: Installing Components In A 19-Inch Rack

    Step 2 Wear ESD gloves or ESD wrist strap, and then slide the BBU into the cabinet along the guide rails using both hands. Step 3 Tighten four M6x16 screws on the panel until the tightening torque reaches 3 N·m, as shown in Figure 12-4. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 420: Installing A Dcdu-03B

    ----End 12.3.3 (Optional) Installing a WGRU This section describes the procedure and precautions to be taken for installing a WGRU and related cables in a 19-inch rack. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 421 Link the OT terminal at one end of the WGRU PGND cable to the ground bolt on the back panel of the WGRU, and then link the OT terminal at the other end to external ground bar, as shown in Figure 12-7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 422 Cut the cable to the required length based on the actual cable route. Add an OT terminal to one end of the cable. For details, see Assembling the OT Terminal and the Power Cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 423 WRGU, and then link the RJ-45 connector at the other end to the RGPS port on the USCU in the BBU. Table 12-1 lists the pin assignment for the bare wires. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 424 COM1_COM_ TXD- Route and bind the cables. For details, see 12.4.1 Cabling Requirements. Step 6 Label the installed cables. For details, see Attaching an L-Shaped Label. ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 425: Installing Cables

    This section describes the procedures and precautions to be taken for installing PGND cables, power cables, transmission cables, monitoring signal cables or alarm cables, and CPRI cables when a DBS3900 is deployed in a 19-inch rack. 12.4.1 Cabling Requirements Cables must be routed according to the specified cabling requirements to prevent signal interference.
  • Page 426: Installing A Dcdu-03B Pgnd Cable

    12.4.2 Installing a DCDU-03B PGND Cable A DCDU-03B PGND cable ensures the proper grounding of a DCDU-03B. Context Table 12-2 lists the specifications of a DCDU-03B PGND cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 427: Installing Power Cables

    Step 3 Label the installed cables. For details, see Labeling Power Cables. ----End 12.4.3 Installing Power Cables When a DBS3900 is deployed indoors with DC power supply, power cables such as a DCDU-03B power cable, BBU power cable, and RRU power cables must be installed. Installing a DCDU-03B Power Cable A DCDU-03B power cable feeds power into a DCDU-03B.
  • Page 428 Link the OT terminals at one end of the DCDU-03B power cable to the wiring terminals labeled NEG(-) and RTN(+) on the DCDU-03B. Link the OT terminals at the other end to external power equipment. Figure 12-12 Installing a DCDU-03B power cable Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 429 Link the OT terminals on the blue and black wires at the other end to the wiring terminals labeled NEG(-) and RTN(+) near the LOAD6 label on the DCDU-03B respectively. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 430 90° [M4, 3.3 mm (12 AWG)] standard AWG)] Black NEG(-) OT terminals bent by OT terminal [M4, 3.3 North wire American 90° [M4, 3.3 mm (12 AWG)] standard AWG)] Blue Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 431 A DCDU-03B supplies power to a maximum of six RRUs, and an RRU power cable can be connected to any of the wiring terminals labeled LOAD0 to LOAD5 on the DCDU-03B. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 432: Installing Transmission Cables

    Step 4 Label the installed cables by referring to Attaching a Sign Plate Label. ----End 12.4.4 Installing Transmission Cables When a DBS3900 is deployed indoors with DC power supply, transmission cables such as E1/ T1 cables, FE/GE cables, and FE/GE optical cables must be installed based on onsite requirements.
  • Page 433 Installing a FE/GE Cable A FE/GE cable transmits baseband signals between a BBU and external transmission equipment when a DBS3900 is deployed indoors. Procedure Step 1 Connect one end of a FE/GE cable to the port labeled FE0 on the GTMU or WMPT in a BBU,...
  • Page 434 Step 1 Turn the puller of an optical module outwards, and then insert the optical module into the SFP0 or SFP1 port on the LMPT, as shown in Figure 12-17. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 435 Step 6 Coil the optical fiber with winding plastic tape at the end connected to the BBU. The tape is coiled between the optical connector and the first cable tie on the cabinet, as shown in Figure 12-19. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 436: Optional) Installing A Monitoring Signal Cable For The Emua

    Link the RJ45 connector at one end of the monitoring signal cable to the MON0/MON1 port on the UPEU in the BBU. Link the DB9 male connector at the other end to the EMUA. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 437: Installing A Bbu Alarm Cable

    Link the RJ45 connector at one end of the BBU alarm cable to the port labeled EXT-ALM0/ EXT-ALM1 on the UPEU in the BBU. Link the RJ45 connector at the other end to external alarm equipment. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 438: Installing A Cpri Optical Cable

    Therefore, you must insert an fiber optic cable into an unpacked optical module within 20 minutes. Procedure Step 1 Install an optical module, as shown in Figure 12-22. Turn the puller on the optical module outwards. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 439 Step 3 Route the CPRI optical cable along the left of the cabinet, and then lead it out of the cabinet from the cable hole on the left of the bottom. For details, see 12.4.1 Cabling Requirements. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 440: Installation Checklist

    The cabinet is neat and clean. The paint on the surface is intact. If any paint is damaged, you must apply touch- up paint to avoid erosion. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 441 The bare wires and the terminal handles at the wiring terminals are coated with heat- shrinkable tubes. The flat washer and the spring washer are well mounted on all OT terminals. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 442 E1/T1 cable, and FE cable are separately bound. The cable layout facilitates maintenance and future capacity expansion. All the labels at both ends of the cables are legible. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 443 The extra length of 3 mm to 5 mm of the outdoor cable ties is reserved when the cable ties are cut. The unused ports are properly protected. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 444: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the AC Power Supply Scenario...
  • Page 445 – ALM LED: off – ACT LED: on RUN LED on the UPEU: on STATE LED on the FAN unit: blinking green slowly (on for 1s and off for 1s) Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 446: Indoor Scenario (Bbu Installed In An Imb03)

    About This Chapter This chapter describes the procedures for installing an IMB03, components in it, and related cables when a DBS3900 is deployed indoors and the BBU is installed in the IMB03. 13.1 Dimensions and Installation Clearance Requirements This section describes the dimensions and installation clearance requirements of the IMB03.
  • Page 447: Dimensions And Installation Clearance Requirements

    Installation Clearance Requirements for the IMB03 Right-Side-Mounted on the Wall Figure 13-2 shows the installation clearance requirements for the IMB03 right-side-mounted on the wall. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 448 (b) Minimum installation clearance Installation Clearance Requirements for the IMB03 Left-Side-Mounted on the Wall Figure 13-3 shows the installation clearance requirements for the IMB03 left-side-mounted on the wall. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 449 IMB03 back-mounted on the wall. Figure 13-4 Installation clearance requirements for the IMB03 back-mounted on the wall (a) Recommended installation clearance (b) Minimum installation clearance Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 450: Installation Clearance Requirements For The Imb03 Mounted On The Ifs06

    (b) Minimum installation clearance Installation Clearance Requirements for the IMB03 Left-Side-Mounted on the IFS06 Figure 13-6 shows the installation clearance requirements for the IMB03 left-side-mounted on the IFS06. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 451 (b) Minimum installation clearance Installation Clearance Requirements for the IMB03 Back-Mounted on the IFS06 Figure 13-7 shows the installation clearance requirements for the IMB03 back-mounted on the IFS06. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 452: Installation Process

    Figure 13-7 Installation clearance requirements for the IMB03 back-mounted on the IFS06 (a) Recommended installation clearance (b) Minimum installation clearance 13.2 Installation Process This section describes the process of installing the IMB03. Figure 13-8 shows the installation process. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 453: Installing The Imb03

    For details about the installation of the RRU, see the RRU installation guide. 13.3 Installing the IMB03 This section describes the procedures for installing the IMB03 on the wall and IFS06. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 454: Installing The Imb03 On The Wall

    IMB03 right-side-mounted on the wall. The following description is based on the IMB03 right-side- mounted on the wall. Procedure Step 1 Remove the protection plate from the bottom of the IMB03, as shown in Figure 13-10. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 455 The PGND cable is not required for the GPS surge protector type A. Install the adapting piece for the GPS surge protector on the bottom of the IMB03, as shown Figure 13-12. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 456 Figure 13-13. Figure 13-13 Installing the GPS surge protector Install the GPS clock signal cable on the GPS surge protector, as shown in Figure 13-14. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 457 Step 4 Use a level to check that the two anchor holes on the marking template are on a horizontal plane, place the marking template against the wall, and then use a marker to mark anchor points, as shown in Figure 13-16. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 458 The bolts in the wall must bear a stress of a minimum of 1.25 kN. Step 5 Drill holes at the anchor points, and then install expansion bolt assemblies, as shown in Figure 13-17. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 459 Tighten the two bolts at the lower anchor points prior to the bolts at the upper anchor points, and ensure that the subrack is vertical. Figure 13-18 Pre-tightening the bolts at the upper anchor points (1) Mounting ears on the IMB03 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 460 The horizontal inter-hole spacing of the two upper mounting ears is 128 mm, and the vertical spacing between the holes of the upper and lower mounting ears is 611 mm. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 461 Step 3 Install the mounting ears on the IMB03, as shown in Figure 13-21. Figure 13-21 Installing mounting ears (1) Insulation washer (2) Installation positions for bolts Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 462 Figure 13-23. Tighten the two bolts at the lower anchor points prior to the bolts at the upper anchor points, and ensure that the subrack is vertical. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 463 Step 7 Align the mounting ears at the lower part of the IMB03 with the anchor holes, and then use a torque wrench to tighten the bolts, as shown in Figure 13-24. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 464: Installing The Imb03 On The Ifs06

    IMB03, move down the lower adjusting beam to the middle position. To install the upper IMB03, move down the upper adjusting beam to the middle position, as shown in Figure 13-27. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 465 Step 2 Install the GPS surge protector, as shown in Installing the IMB03 on the Wall (Side- Mounted). Step 3 Install the mounting ears on the IMB03, as shown in Figure 13-26. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 466 Step 5 Insert two M10x30 bolts into the two anchor holes on the upper part of the IFS06, and leave a 20-30 mm length out of the holes, as shown in Figure 13-28. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 467 Figure 13-29. Tighten the two bolts at the lower anchor points prior to the bolts at the upper anchor points, and ensure that the subrack is vertical. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 468 Step 7 Align the mounting ears at the lower part of the IMB03 with the anchor holes, and then use a torque wrench to tighten the bolts, as shown in Figure 13-30. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 469 IMB03, move down the lower adjusting beam to the middle position. To install the upper IMB03, move down the upper adjusting beam to the middle position, as shown in Figure 13-33. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 470 Step 2 Install the GPS surge protector, as shown in Installing the IMB03 on the Wall (Side- Mounted). Step 3 Install the mounting ears on the IMB03, as shown in Figure 13-32. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 471 Step 5 Insert two M10x30 bolts into the two anchor holes on the upper part of the IFS06, and leave a 20-30 mm length out of the holes, as shown in Figure 13-34. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 472 Figure 13-35. Tighten the two bolts at the lower anchor points prior to the bolts at the upper anchor points, and ensure that the subrack is vertical. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 473 Step 7 Align the mounting ears at the lower part of the IMB03 with the anchor holes, and then use a torque wrench to tighten the bolts, as shown in Figure 13-36. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 474: Installing Devices In The Imb03

    The slot assignment label for the BBU and power device is attached to the side of the IMB03, as shown in Figure 13-37. The slot assignment label helps onsite installation engineers to determine the installation positions for the BBU and power device. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 475: Installing The Bbu

    Step 2 Slide the BBU into the corresponding slot according to the installation slot label. Step 3 Use a Phillips screwdriver to tighten the four M6x16 bolts on the panel, as shown in Figure 13-39. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 476: Installing The Power Device

    Step 1 Slide the DCDU into the corresponding slot according to the installation slot label. Step 2 Use a Phillips screwdriver to tighten the four M6x16 bolts on the panel, as shown in Figure 13-40. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 477 Ensure that the port for external power input is at the bottom of the DCDU. Step 3 Install the PGND cable for the DCDU, as shown in Figure 13-41. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 478: Installing Imb03 Cables

    1/2'' jumper must be more than 50 mm (1.97 in.), and the bending radius of the ordinary 1/2'' jumper must be more than 127 mm (5 in.). Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 479 Other devices must not be used for electrical connections of the PGND cables. All the metal parts in the housing of the equipment must be reliably connected to the ground terminal. Cabling requirements for E1 cables are as follows: Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 480: Cable Installation Process

    The E1/T1 cable or FE/GE cable is used according to the actual requirements on site on the transmission cable. Process of Installing IMB03 Cables Figure 13-42 shows the cable installation process. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 481: Cable Connections For The Imb03 In The Gsm+Umts Scenario

    +UMTS Base Station in Separate Transmission Mode and Transmission Cable Connections in the Indoor GSM+UMTS Base Station in Route Backup Transmission Mode. The following description is based on the co-transmission mode. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 482 DBS3900 (Ver.B) Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03) Figure 13-43 Cable connections in the DC power supply scenario Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 483 When the IMB03 is installed on the wall, the distance between the E1/T1 cable and the GPS clock signal cable must be not less than 10 mm.Figure 13-45 shows cable routes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 484 H4 connector LOAD1 port on the AC/DC scenario) power device E1/T1 cable DB26 connector E1/T1 port on the WMPT or GTMU Connector added on site External transmission equipment Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 485 LOAD4 to LOAD9 ports on the complying with the European standard) PGND cable for the Ground terminal on the OT terminal (6 mm , M4) DCDU DCDU-03B Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 486: Cable Connections For The Imb03 In The Gsm+Lte Scenario

    Station in Separate Transmission Mode and Transmission Cable Connections in the Indoor GSM+LTE Base Station in Route Backup Transmission Mode. The following description is based on the separate transmission. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 487 DBS3900 (Ver.B) Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03) Figure 13-46 Cable connections in the DC power supply scenario Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 488 When the IMB03 is installed on the wall, the distance between the E1/T1 cable and the GPS clock signal cable must be not less than 10 mm.Figure 13-48 shows cable routes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 489 DCDU-03B Wiring terminal labeled RTN for the black wire of the input power cable on the DCDU-03B Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 490 Power cable for the Round 3-pin connector AC-in port on the AC RRU AC RRU OT terminal AC surge protection box Connector added on site Power device Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 491: Cable Connections For The Imb03 In The Umts+Lte Scenario

    Indoor UMTS+LTE Base Station in Route Backup Transmission Mode and Transmission Cable Connection in the Indoor UMTS+LTE Base Station in Hybrid Transmission Mode. The following description is based on the separate transmission mode. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 492 DBS3900 (Ver.B) Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03) Figure 13-49 Cable connections in the DC power supply scenario Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 493 When the IMB03 is installed on the wall, the distance between the E1/T1 cable and the GPS clock signal cable must be not less than 10 mm.Figure 13-51 shows cable routes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 494 DCDU-03B Wiring terminal labeled RTN for the black wire of the input power cable on the DCDU-03B Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 495 Power cable for the Round 3-pin connector AC-in port on the AC RRU AC RRU OT terminal AC surge protection box Connector added on site Power device Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 496: Cable Connections For The Imb03 In The Lte Only Scenario

    13.5.6 Cable Connections for the IMB03 in the LTE Only Scenario This section describes the cable connections for the IMB03 in the LTE only scenario. Figure 13-52 Cable connections in the DC power supply scenario Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 497 PGND cable for the , M6) Ground terminal in the IMB03 OT terminal (16 mm IMB03 Connector added on site The nearest wiring terminal on the ground bar Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 498 GPS port on the LMPT cable N-type connector GPS surge protector FE/GE optical cable LC connector FE1 port on the LMPT LC connector External transmission equipment FC connector SC connector Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 499: Cable Connections For The Imb03 In The Gsm Only Scenario

    13.5.7 Cable Connections for the IMB03 in the GSM Only Scenario This section describes the cable connections for the IMB03 in the GSM only scenario. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 500 DBS3900 (Ver.B) Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03) Figure 13-54 Cable connections in the DC power supply scenario Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 501 When the IMB03 is installed on the wall, the distance between the E1/T1 cable and the GPS clock signal cable must be not less than 10 mm.Figure 13-56 shows cable routes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 502 DCDU-03B Wiring terminal labeled RTN for the black wire of the input power cable on the DCDU-03B Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 503 Monitoring signal RJ-45 connector MON1 port on the UPEU cable for the AC/DC RS232/RS485 power system PDU power cable H4 connector LOAD2 port on the AC/DC power device Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 504: Cable Connections For The Imb03 In The Umts Only Scenario

    13.5.8 Cable Connections for the IMB03 in the UMTS Only Scenario This section describes the cable connections for the IMB03 in the UMTS only scenario. Figure 13-57 Cable connections in the DC power supply scenario Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 505 When the IMB03 is installed on the wall, the distance between the E1/T1 cable and the GPS clock signal cable must be not less than 10 mm.Figure 13-59 shows cable routes. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 506 DCDU-03B Wiring terminal labeled RTN for the black wire of the input power cable on the DCDU-03B Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 507 Connector added on site Power device PGND cable for the Ground terminal on the OT terminal (6 mm , M4) DCDU DCDU-03B Ground terminal in the IMB03 Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 508: Imb03 Hardware Installation Checklist

    The distance between the bundled fiber and the BBU panel is between 40 mm and 70 mm. Labels are correct, legible, and complete on both ends of each cable. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 509: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the AC Power Supply Scenario...
  • Page 510 The normal status of the LEDs on a GTMU, WMPT, WBBP, LMPT, LBBP, and UTRP is as follows: – RUN LED: on for 1s and off for 1s Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 511: Installing The Cover Plate For The Imb03

    Step 2 Tighten the M3×8 bolt on the bottom of the cover plate for the IMB03 to 0.3 N·m using a Phillips torque screwdriver, as shown in Figure 13-62. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 512 DBS3900 (Ver.B) Installation Guide 13 Indoor Scenario (BBU Installed in an IMB03) Figure 13-62 Securing the cover plate ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 513: Indoor Scenario With Dc Power Supply (Bbu Installed Indoors And Rru Powered Outdoors)

    (BBU Installed Indoors and RRU Powered Outdoors) About This Chapter In this scenario, a DBS3900 is deployed indoors with DC power supply. The installation of the BBU is not described in this scenario. An APM30H is installed outdoors, supplying power to and monitoring only RRUs.
  • Page 514 14 Indoor Scenario with DC Power Supply (BBU Installed Installation Guide Indoors and RRU Powered Outdoors) Before a DBS3900 starts operating, you must check the power-on status of the cabinet and components in it. 14.8 Subsequent Operations You must perform subsequent operations after installing a base station and checking related hardware installation.
  • Page 515: Installation Process

    Indoors and RRU Powered Outdoors) 14.1 Installation Process When a DBS3900 is deployed indoors with DC power supply, the BBU is installed indoors, and RRUs obtain outdoor power supply, you must install a cabinet, components in it, and related cables.
  • Page 516: Installing A Cabinet

    Figure 14-2 shows the cabinet installation clearance. Figure 14-2 Cabinet installation clearance (plan view) NOTE The type of cabinet in Figure 14-2 can be APM30H, TMC11H, or IBBS200D. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 517 After marking all the holes, use the measuring tape to check whether the distances between the holes are accurate. Step 2 Drill holes at the anchor points, and then install the expansion bolt assemblies, as shown in Figure 14-4. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 518 Use a rubber mallet to hammer the expansion bolt until the expansion tube is buried into the hole, and then tighten the bolt. Remove the bolt, spring washer, and flat washer counterclockwise. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 519 (1) Level (2) Adjusting pad Step 5 Use a torque wrench to tighten the bolts with the tightening torque of 45 N·m, as shown in Figure 14-7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 520 Figure 14-8 Removing the front cover plate Step 7 Remove the baffle plate from either side of the base (by taking the left side as an example), as shown in Figure 14-9. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 521 Step 1 Remove the four plastic screws from the top of the cabinet, and then install the lifting lugs in the corresponding holes, as shown in Figure 1. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 522 Figure 14-11 Installing the lifting lugs (1) Plastic screw (2) Lifting lug Step 2 Install ropes on the lifting lugs, and then lift the cabinet, as shown in Figure 2. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 523 Step 3 Lift the cabinet onto the base, and then gently push the cabinet to align the cabinet with the base, as shown in Figure 14-13. WARNING At least two installation engineers are required for lifting the cabinet. Figure 14-13 Lifting a cabinet onto a base Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 524 Before installing the rubber screws, clean the mounting holes to prevent entry of metal bits. Figure 14-14 Installing the plastic screws Step 5 Use four M12x30 bolts to secure the cabinet on the base, as shown in Figure 7. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 525: Installing A Cabinet On A Metal Pole

    The cabinet cannot be installed at a height of more than 10,000 mm. l The diameter of a metal pole must range from 60 mm to 114 mm. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 526 Step 3 Install a fastening bar on the top of the cabinet, and then use a socket wrench to tighten the two M12×30 bolts, as shown in Figure 14-18. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 527 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 14-19 shows the positions of the cover plates for the round cable holes. Figure 14-19 Positions of the cover plates for the round cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 528 Step 5 Lead the U-shaped piece through the holes on the fastening bar installed on the top of the cabinet, as shown in Figure 14-21. NOTE When a cabinet is installed on a metal pole, grease must be applied. For details, see 14.8.3 Applying Grease. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 529: Installing A Cabinet On A Wall

    The cabinet cannot be installed at a height of more than 10,000 mm. Procedure Step 1 Press a marking template against the wall, and then mark six mounting holes based on the marking template, as shown in Figure 14-22. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 530 Step 3 Align the holes on the trapezoidal rack with the four lower mounting holes on the wall, and then use four M12×30 bolts to secure the trapezoidal rack, as shown in Figure 14-24. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 531 Step 5 Install a fastening bar on the top of the cabinet, and then use a socket wrench to tighten the two bolts, as shown in Figure 14-26. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 532 Do not move the cover plates for the round cable holes to avoid entry of water into the cabinet. Figure 14-27 shows the positions of the cover plates for the round cable holes. Figure 14-27 Positions of the cover plates for the round cable holes Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 533 Figure 14-29. NOTE When a cabinet is installed on the wall, grease must be applied. For details, see 14.8.3 Applying Grease. Figure 14-29 Securing a fastening bar Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 534: Installing Pgnd Cables

    When installing the PGND cable, keep the crimping tube of the OT terminal in the direction shown in Figure 14-30. Figure 14-30 Installing the OT terminal in the correct manner Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 535: Installing Components

    ----End 14.4 Installing Components When a DBS3900 is deployed outdoors with AC power supply, and the BBU is installed indoors, you must install the SLPU and USLP2s in an outdoor APM30H. 14.4.1 Installing a USLP2 A USLP2 is installed in an SLPU, providing surge protection for RRU monitoring signals.
  • Page 536: Installing An Slpu

    USLP2. Figure 14-34 Panel of a USLP2 Figure 14-35 shows the mapping relationship between the pins in the input and output ports on the USLP2. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 537 IN1.3 OUT1.7 IN1.4 OUT1.8 IN2.1 OUT0 OUT0.1 IN2.2 OUT0.2 IN2.3 OUT0.4 IN2.4 OUT0.5 IN3.1 OUT0.3 IN3.2 OUT0.6 IN3.3 OUT0.7 IN3.4 OUT0.8 Table 14-3 lists the SLPU-related cables. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 538 Step 2 Slide the SLPU into the cabinet, and then use the screwdriver to tighten the two screws on the mounting ears of the SLPU, as shown in Figure 14-37. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 539: Installing Cables

    This section describes the procedures and precautions to be taken for installing power cables and monitoring signal cables when a DBS3900 is deployed indoors with DC power supply, the BBU is installed indoors, and the RRUs obtain outdoor power supply.
  • Page 540 When coiling fiber optic cables, apply even strength. Do not bend the cables with force. Vacant optical connectors must be covered with dustproof caps. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 541: Installing An Input Power Cable For The Apm30H

    AC baffle plate. Use a Phillips screwdriver to remove the screw from the protecting hood for the AC input wiring terminals, and then open the protecting hood. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 542 Figure 14-38 Installing a 220 V AC three-phase input power cable for the APM30H on the EPS subrack (1) Protecting hood for the AC input (2) AC power supply box (3) Short-circuiting bar (4) PE wiring terminal terminal block Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 543 Step 3 Route the cable by referring to 13.5.1 Cabling Requirements, and then use cable ties to bind the cable. Step 4 Label the installed cables by referring to Attaching a Sign Plate Label. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 544: Installing An Rru Power Cable

    The colors and structures of cables vary according to countries and areas. If the cables are purchased locally, the colors and structures of the cables may be different. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 545 RRU power cable, respectively link the blue and black (or brown) wires to the NEG(-) and RTN(+) ports in the cabling cavity of an RRU. Figure 14-41 Installing an RRU power cable Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 546: Installing A Monitoring Signal Cable For The Rru

    Connect one end of the monitoring signal cable for the RRU to the EXT_ALM port on the RRU. Connect the other end to the IN0 and IN1 ports on the USLP2 in the SLPU in the APM30H. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 547: Installing A Surge Protection Transfer Cable Between The Cmua And The Slpu

    Connect one end of the surge protection transfer cable between the CMUA and the SLPU to the COM IN port on the CMUA. Connect the other end to the OUT1 port on the USLP2 in the SLPU. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 548: Installation Checklist

    Either the horizontal error or vertical error of the cabinet is less than 3 mm. All the bolts, especially those for electrical connections, are tight. Both the spring washer and the flat washer are installed in the correct sequence. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 549 The redundant part of the power cable or PGND cable is stripped off rather than coiled. The terminals at both ends of the power cable or PGND cable are securely soldered or crimped. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 550 The cables are neatly and tightly bound. The cable ties are evenly spaced and face the same direction. Different types of cable, such as the power cable, ground cable, feeder, optical cable, E1/T1 cable, and FE cable are separately bound. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 551: Power-On Check

    CAUTION The DBS3900 must be powered on within seven days after it is unpacked, and the period for which the DBS3900 remains powered-off during maintenance must not exceed 48 hours. Power-On Check in the Indoor Scenario with DC Power Supply (BBU Installed...
  • Page 552 The DC output voltage of an EPS ranges from -43.2 V DC to -57 V DC. The normal status of the LEDs on a CMUA is as follows: RUN LED: blinking ALM LED: off Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 553: Subsequent Operations

    (2) Baffle plate at the rear (3) Baffle plate on the left Step 2 Use fireproof clay to seal the cable holes of the base, as shown in Figure 14-47. Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 554: Applying Touch-Up Paint

    Code of Huawei International Color Sample Color Code Cabinet (including the RAL7035 YB026 RAL7035 APM30H, RFC, TMC11H, IBBS200T, and IBBS200D) Base 3010 Light YB030 Pontone 422U gray Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 555: Applying Grease

    Step 1 Install a cable outlet subrack on both sides at the bottom of a cabinet, as shown in Figure 14-48. Figure 14-48 Installing a cable outlet subrack Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 556 Apply grease to the rubber caps evenly, and then insert the rubber caps into unused cable holes, as shown in Figure 14-50. Figure 14-50 Applying grease to cables and rubber caps ----End Issue 06 (2011-09-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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