Huawei DBS3900 Installation Manual
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RU3260
Installation Guide
Issue
05
Date
2014-06-30
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei DBS3900

  • Page 1 RU3260 Installation Guide Issue Date 2014-06-30 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 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. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
  • Page 3: About This Document

    3 Information About the Installation Before installing an RU, you must be familiar with its exterior, ports, indicators, installation options and installation clearance requirements. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 Alternative items are grouped in braces and separated by vertical bars. A minimum of one or a maximum of all can be selected. GUI Conventions Convention Description Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 Press the primary mouse button twice continuously and Double-click quickly without moving the pointer. Press and hold the primary mouse button and move the Drag pointer to a certain position. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 7: Table Of Contents

    8.2.2 Installing Two RUs ..............................51 8.2.3 Installing Three or More RUs ..........................55 8.3 Installing the RU on U-steel ............................59 8.4 Installing the RU on Angle Steel ..........................64 Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 8 11 Powering On an RU ........................ 109 12 Appendix ..........................111 12.1 Adding a Tool-Less Female Connector (Pressfit Type) to the RU Power Cable on the RU Side ......111 Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 9: Changes In The Ru3260 Installation Guide

    Modified the figure showing the U-steel 3.4 Installation Scenarios specifications. Compared with issue 03 (2013-12-23), this issue does not include any new information and no information is deleted from this issue. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 10 Compared with issue 01 (2013-04-28), this issue does not include any new information and no information is deleted from this issue. 01 (2013-04-28) This is the first official release. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 11: Installation Preparations

    OCB-01M User Guide 2.2 Tools and Instruments You must prepare the following tools and instruments before the installation. Hammer drill (a φ12 bit) ESD gloves Vacuum cleaner Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 12 5 mm 5 mm (M3 to M6) (M3 to M6) Marker (diameter ≤ 10 mm Multimeter Measuring tape [0.39 in.]) Inner hexagon wrench Fixed pulley Lifting sling Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13: 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. ...
  • Page 14: Information About The Installation

    RUs and the requirements for the installation spacing between RUs. 3.1 RU Exterior This section describes the exterior and dimensions of an RU. Figure 3-1 shows an RU. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 15: Ru Ports

    This section describes ports on the RU panels. An RU has a bottom panel, cabling cavity panel, and indicator panel. Figure 3-3 shows the ports on the RU panels. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16 RX port C ANT_RXD Port RX port D ANT_TX/RXB TX/RX port B Alarm monitoring port used for monitoring EXT_ALM one RS485 signal and two dry contact signals Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17 ANT_RXC combined and ANT_TX/RXB and ANT_RXD combined. Figure 3-4 shows the recommended usage of the RF ports on an RU used for DBS3900 LTE V100R003C00 and later versions. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 18: Ru Indicators

    RRU3260 Installation Guide 3 Information About the Installation Figure 3-4 Recommended usage of the RF ports on an RU used for DBS3900 LTE V100R003C00 and later versions 3.3 RU Indicators This section describes six indicators on an RU. They indicate the running status.
  • Page 19: Installation Scenarios

    3.4 Installation Scenarios An RU can be installed on a pole, U-steel, angle steel, wall, or IFS06. Installation scenarios must meet heat-dissipation and waterproofing requirements of the RU. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 20 810 mm (23.62 in.), the side-mounted mode is recommended for installing RUs on the auxiliary pole to meet the minimum clearance requirements. Otherwise, the standard mode is recommended for installing RUs on the auxiliary pole. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21  The recommended thickness of the wall of a pole is 3.5 mm (0.14 in.) or above. Figure 3-8 shows a single RU installed on a pole. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Figure 3-9 shows two RUs installed on a pole. Figure 3-9 Two RUs installed on a pole Installing an RU on U-steel Figure 3-10 shows U-steel specifications. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 U-steel supports the standard or reverse installation of a single RU only. Figure 3-11 shows an RU installed on U-steel. Figure 3-11 RU installed on U-steel Installing an RU on Angle Steel Figure 3-12 shows angle steel specifications. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 24 1.25 kN (281.25 lbf) vertical to the wall.  Expansion anchor bolts must be tightened to 30 N· m (265.52 lbf· in.) so that the bolts stay secured without damaging the wall. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 RU and at least 5° C (41° F) lower than the highest operating temperature of the RU. The IFS06 supports a maximum of six RUs Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 IFS06, as shown in Figure 3-16. Figure 3-16 Correct installation of mounting brackets for RUs installed on an IFS06 Figure 3-17 Figure 3-18 show RUs installed on an IFS06. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27 RRU3260 Installation Guide 3 Information About the Installation Figure 3-17 Three RUs installed on an IFS06 (1) Height-restricted scenario (2) Height-unrestricted scenario Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28: Installation Clearance Requirements Of An Ru

    RUs and the requirements for the installation spacing between RUs. 3.5.1 Clearance for a Single RU This section describes the recommended and minimum clearance for a single RU. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 29 Clearance for a Single RU in Standard or Reverse Mode Figure 3-19 shows the clearance for a single RU in standard or reverse mode. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 30 Figure 3-19 Clearance for a single RU in standard or reverse mode Clearance for a Single RU in Side-Mounted Mode Figure 3-20 shows the clearance for a single RU in side-mounted mode. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 Clearance for a Single Tower-mounted RU Figure 3-21 Figure 3-22 show the clearance for a single tower-mounted RU in standard or reverse mode and in side-mounted mode, respectively. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 32: Clearances For Three Or More Rus

    Figure 3-22 Minimum clearance for a single tower-mounted RU in side-mounted mode 3.5.2 Clearances for Three or More RUs This section describes the recommended and minimum clearances for three or more RUs. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Figure 3-23 Recommended clearances for three or more RUs installed on a pole Minimum Clearances for Three or More RUs Installed on a Pole Figure 3-24 shows the minimum clearances for multiple RUs installed in centralized mode. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 RUs installed on a wall in standard mode. Figure 3-25 Recommended clearances for three or more RUs installed on a wall in standard mode Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 35 Recommended Clearances for Three or More RUs Installed on a Wall in Side-Mounted Mode Figure 3-27 shows the recommended clearances for three or more RUs side-mounted on a wall. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36: Installation Spacing Between Rus

    RUs. Figure 3-28 Recommended horizontal spacing between RUs Minimum Horizontal Spacing Between RUs Figure 3-29 shows the minimum horizontal spacing between RUs. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 RUs. Figure 3-30 Recommended vertical spacing between RUs Minimum Vertical Spacing Between RUs Figure 3-31 shows the minimum vertical spacing between RUs. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 RRU3260 Installation Guide 3 Information About the Installation Figure 3-31 Minimum vertical spacing between RUs Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39: Unpacking The Equipment

    The total number does not tally with Find out the cause and report any missing the 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 40 Sign the Packing List with the customer. with those on the packing list Either shipment shortage, wrong Report to the local Huawei office. shipment or damaged articles.  To protect the equipment and prevent damage to the equipment, you are advised to keep...
  • Page 41: Installation Process

    The installation process involves installing an RU and RU cables, checking the RU hardware installation, and powering on the RU. Figure 5-1 shows the process of installing an RU. Figure 5-1 Process of installing an RU Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42: Optional) Installing The Plastic Shells Of The Ru

    Step 1 Use an M6 Phillips screwdriver to loosen the two screws on the metal sheet of the RU and remove the metal sheet, as shown in Figure 6-1. Figure 6-1 Removing the metal sheet (1) Screw (2) Metal sheet Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Step 3 Use four hex screws to secure the plastic shells onto the RU and use an M6 hex key wrench to tighten the screws to 2.8 N· m (24.78 lbf· in.), as shown in Figure 6-3. Figure 6-3 Installing the plastic shells of the RU ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44: Hoisting An Ru And Related Cables Onto A Tower

    When the RU is powered by an AC/DC power module, you need to install the AC/DC power module onto the RU before hoisting them onto a tower. For detailed operations, see AC/DC Power Module User Guide or OPM15M User Guide. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 Step 5 Technician C binds the RU using the lifting sling and traction sling, as shown in Figure 7-2. The binding methods in Figure 7-3 Figure 7-4 are incorrect. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 7 Hoisting an RU and Related Cables onto a Tower Figure 7-2 Binding the RU (1) Handle (2) Lifting sling (3) Traction eye (4) Traction sling Figure 7-3 Incorrect binding method (1) Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 C pulls the traction sling outwards to protect the RU from colliding with the tower. Figure 7-5 Hoisting the RU onto the tower (1) Lifting sling (2) Fixed pulley (3) Traction sling Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48: Hoisting Fiber Optic Cables Onto A Tower

    Cabling requirements for power cables are met. For details, see 9.1 Cabling Requirements. Procedure Step 1 Hoist the fiber optic cables onto the tower, as shown in Figure 7-6. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 4 m (13.12 ft) away from the lifting sling, as shown in Figure 7-7. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Installation engineer C pulls the lifting sling downwards, and installation engineer D pulls the traction sling outwards to protect the fiber optic cables from colliding with the tower. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51: Hoisting Power Cables Onto A Tower

    Step 1 Hoist the power cables onto the tower, as shown in Figure 7-9. Figure 7-9 Hoisting power cables onto the tower (1) Lifting sling (2) Fixed pulley Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 Wrap the PVC insulation tape from 30 mm (1.18 in.) away from one end of the connector until it reaches the other end of the connector. The total length of the wrapped connector is 100 mm (3.94 in.). Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 3 Remove the cable ties, PVC insulation tape, and lifting sling. The procedure for hoisting the power cables onto the tower is for your reference only. ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54: Installing The Ru

    8.1 Mounting Kits for an RU This section describes the bracket assembly and the attachment plate for an RU. Figure 8-1 shows the front and side of an RU. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 (5) Square-neck M10 nut washer washer bolt (6) Hoist clamp (7) Main (8) Inner (9) Pole (10) Auxiliary on the main bracket hexagon installation bracket bracket screw bracket Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56: Installing The Ru On A Pole

    If the pole must be installed on the ground, determine a position for installing the mounting brackets according to Figure 8-3. Figure 8-3 Distance between the mounting brackets and the ground Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Tighten the nuts on the two square-neck bolts alternatively. After the main and auxiliary brackets are secured properly, measure the spacing between the brackets on both sides and ensure that the spacing is the same on the two sides. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-7. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59: Installing Two Rus

    Place a foam pad or cardboard under the RU to protect the RU housing from damage during the installation. Procedure Step 1 Install the first RU onto the main bracket, as shown in Figure 8-8. For details, see 8.2.1 Installing a Single Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 (1) Main bracket (2) Pole installation bracket Step 3 Install the removed main bracket on one side of the first main bracket, as shown in Figure 8-10. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 (1) Main mounting bracket for a 12 L blade (2) Main mounting bracket for a common Step 4 Install the second RU onto the main bracket, as shown in Figure 8-12. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-13. Figure 8-13 Securing the captive screw into the connection hole Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63: Installing Three Or More Rus

    A pole supports the installation of three, four, or six RUs. The procedures for installing them are the same. Following is the procedure of installing four RUs on a pole. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 RU, with a torque of 5 N· m (44.25 lbf· in.), as shown in Figure 8-17. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Figure 8-18 Connect to the main mounting bracket for installing a common RU (1) Main mounting bracket for a 12 L blade (2) Main mounting bracket for a common Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 80 mm (3.15 in.) between the two sets of brackets, as shown in Figure 8-20. Figure 8-20 Installing the second set of RU mounting brackets Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67: Installing The Ru On U-Steel

    Before you install an RU on U-steel secured on a tower, the RU and its mounting brackets are hoisted onto the tower. For details, see 7.1 Hoisting an RU onto a Tower. The hoist clamp on the main bracket is secured properly. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 3.5.1 Clearance for a Single RU to determine a position.  If the RU must be installed on U-steel secured on the ground, see Figure 8-23 determine a position. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 Step 3 Use a 16 mm (0.67 in.) M10 torque wrench to tighten the nuts to 40 N· m (354.03 lbf· in.) so that the mounting brackets are secured onto the U-steel, as shown in Figure 8-25. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 8-26. Figure 8-26 Installing the attachment plate onto the rear of the RU Step 5 Install the RU onto the main bracket, as shown in Figure 8-27. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-28. Figure 8-28 Securing the captive screw into the connection hole ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72: Installing The Ru On Angle Steel

    3.5.1 Clearance for a Single RU to determine a position.  If the RU must be installed on angle steel secured on the ground, see Figure 8-30 determine a position. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Step 3 Use a 16 mm (0.67 in.) M10 torque wrench to tighten the nuts to 40 N· m (354.03 lbf· in.) so that the mounting brackets are secured onto the angle steel, as shown in Figure 8-32. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 8-33. Figure 8-33 Installing the attachment plate onto the rear of the RU Step 5 Install the RU onto the main bracket, as shown in Figure 8-34. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75: Installing The Ru On A Wall

    Figure 8-35 Securing the captive screw into the connection hole ----End 8.5 Installing the RU on a Wall This section describes the procedure and precautions for installing the RU on a wall. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Figure 8-36 Disassembling the mounting brackets (1) Main (2) Square-neck (3) Pole installation (4) Auxiliary bracket bolt bracket bracket (5) Flat washer (6) Spring washer (7) Nut (8) Plastic cap Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 1600 mm (62.99 in.) above the ground. Step 3 Drill holes at the anchor points, and then insert expansion anchor bolt assemblies, as shown in Figure 8-38. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 16 mm (0.63 in.) torque socket to tighten the nuts to 30 N· m (265.52 lbf· in.), as shown in Figure 8-39. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 M6x16 inner hexagon screws to 5 N· m (44.25 lbf· in.) so that the main bracket and pole installation bracket are firmly secured, as shown in Figure 8-40. Figure 8-40 Installing the main bracket Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 5 N· m (44.25 lbf· in.) so that the attachment plate and main bracket are firmly secured, as shown in Figure 8-43. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81: Installing An Ru On An Ifs06

    RU and at least 10° C (50° F) lower than the highest working temperature of the RU, the IFS06 supports a maximum of six RUs. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 Step 2 Use the M10x50 bolts delivered with the IFS06 to secure the pole installation bracket to the IFS06, and then use an M10 torque socket wrench to secure the bolts to 30 N· m (265.52 lbf· in.). Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 Figure 8-45 Installing the pole installation bracket in height-restricted scenarios (1) Spring washer (2) Rubber washer  Height-unrestricted scenarios Install the pole installation bracket, as shown in Figure 8-46. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 M6x16 screws to 5 N· m (44.25 lbf· in.) so that the main bracket and pole installation bracket are firmly secured, as shown in Figure 8-47. Figure 8-47 Installing the main bracket (1) Main bracket (2) Pole installation bracket Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Figure 8-48 Installing the RU onto the main bracket Step 5 Install the RUs on the lower level from left to right, as shown in Figure 8-49. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 RU and at least 10° C (10° F) lower than the highest operating temperature of the RU, repeat the preceding steps to install the RUs on the higher level, as shown in Figure 8-50. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 RRU3260 Installation Guide 8 Installing the RU Figure 8-50 Installing RUs on the higher level ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88: Installing Ru Cables

    This section describes the procedure for opening the cover plate of an RU cabling cavity. 9.10 Installing an RU Power Cable This section describes the procedure for installing an RU power cable. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89: Cabling Requirements

    Security Requirements  Cables should be placed away from sharp objects or wall burrs. If these positions are inevitable, protect the cables with protection pipes. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 Cable clips must be vertical with cables, and the cables in a cable clip must be parallel.  After routing cables neatly and correctly, tighten the screws on cable clips. Secure cables on the cable tray, as shown in Figure 9-1. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 RRU3260 Installation Guide 9 Installing RU Cables Figure 9-1 Securing cables on the cable tray Secure cables on the tower, as shown in Figure 9-2. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 If DC power cables need to be routed on the tower platform, lay out the cables on the guardrail with the shortest distance and route the cables along the guardrail. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93  Cables are routed in an untangled and orderly fashion.  Do not bind fiber optic cables at turns. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Fiber optic cables cannot be squeezed by the cabinet door when routed through the cabinet, as shown in Figure 9-5, Figure 9-6 Figure 9-7. Figure 9-5 CPRI fiber optic cables routed through the cabinet (1) Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95: Cable Connections

    A lower-level RU obtains power directly from the external power system, but not from an upper-level RU using a power cable. Figure 9-8 shows the cable connections for a single RU. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 (4) RU AISG extension cable (5) RU power cable (6) CPRI fiber optic cable (7) RU alarm cable Figure 9-9 shows the cable connections for multiple RUs. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97: Installation Process

    (3) RU power cable (4) CPRI fiber optic cable 9.3 Installation Process This section describes the process of installing RU cables. Figure 9-10 shows the process of installing RU cables. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98: Ru Cable List

    (pressfit type) on the RU equipment RU Alarm DB15 EXT_ALM Cord end External alarm Cable waterproof male port on the RU terminal device Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99: Installing An Ru Pgnd Cable

    Connect the M6 OT terminal at one end of the PGND cable to the ground terminal at the RU bottom and the M8 OT terminal at the other end to the external ground bar, as shown in Figure 9-11. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100: Installing An Ru Rf Jumper

    Step 1 Connect the DIN male connector at one end of the RU RF jumper to the ANT port on the RU, and use a torque wrench to tighten the connector to 25 N· m (221.27 lbf· in.), as shown in Figure 9-13. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 Step 2 Link the other end of the RF jumper to the external antenna system. Step 3 Waterproof the connectors of the RF jumper by referring to Figure 9-14. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 Step 4 Check the dustproof caps on antenna connectors. In outdoor scenarios, dustproof caps must be waterproofed, as shown in Figure 9-15. Do not remove dustproof caps from vacant antenna connectors. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Step 6 Label the installed cables according to the instructions in Attaching a Sign Plate Label. Step 7 Attach color-coding to the installed RF jumper according to the instructions in Attaching the Color Ring. ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 104: Installing An Ru Aisg Multi-Wire Cable And Aisg Extension Cable

    Install an AISG multi-wire cable that is configured with an AISG extension cable. Use an M3 flat-head screwdriver to loosen the screws on the dustproof cap on the RET port and remove the dustproof cap. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105 Connect the other end of the AISG extension cable to the standard AISG male connector on the RCU, as shown in Figure 9-18. Figure 9-18 Installing an RU AISG extension cable Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106: Installing An Ru Alarm Cable

    This prevents false alarm reporting and equipment damage due to contact of exposed cables. Figure 9-20 shows the method for handling cord end terminals not in use. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107: Opening The Cover Plate Of An Ru Cabling Cavity

    Step 2 Use an M5 Phillips screwdriver to loosen the three screws on the cover plate of the RU cabling cavity, and open the cover plate, as shown in Figure 9-21. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 Step 3 Loosen the screws on the clip using an M4 Phillips screwdriver, and open the clip, as shown Figure 9-22. Open the clip only for the associated cable. Figure 9-22 Opening clips Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109: Installing An Ru Power Cable

     A connector or OT terminals are added to the RU power cable on the power device side. For details, see the DBS3900 Installation Guide. Context If a power device provided by the customer is used, the recommended specification of the circuit breaker on this power device is 15 A to 30 A.
  • Page 110 When the RU power cable is connected to the EPU, the blue core wire in the tool-less female connector (pressfit type) is connected to the upper port on the EPU, and the black/brown core wire is connected to the lower port on the EPU. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 111: Installing A Cpri Fiber Optic Cable

    A CPRI fiber optic cable transmits CPRI signals between a BBU and an RU.  For details about CPRI fiber optic cable connections, see section "CPRI Cable Connections" in the BBU3900 Hardware Description or DBS3900 Hardware Description. Procedure Step 1 Lower the pullers of two optical modules, insert one optical module into the CPRI0 port on...
  • Page 112 Step 2 Connect the end labeled 1A and 1B of the fiber optic cable to the optical module on the RU side, as shown in Figure 9-25. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113: Closing The Cover Plate Of An Ru Cabling Cavity

    Step 5 Label the installed cables according to the instructions in Attaching an L-Shaped Label. ----End 9.12 Closing the Cover Plate of an RU Cabling Cavity This section describes the procedure for closing the cover plate of an RU cabling cavity. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 114 Step 2 Insert waterproof blocks into vacant cable troughs in the cabling cavity, as shown in Figure 9-27. Ensure that cables and waterproof blocks are properly inserted into troughs. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 2 N· m (17.7 lbf· in.) in the same sequence. Figure 9-28 Closing the cover plate of an RU cabling cavity Step 4 Take off the ESD gloves, and pack up all the tools. ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 116: Checking The Ru Hardware Installation

    The connectors of each signal cable are intact and securely linked, and these cables are not damaged or broken. Labels are correct, legible, and complete at both ends of each cable, feeder, and jumper. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117: Powering On An Ru

    For details about how to power on an RU, see Powering On an RU. For details about how to power off an RU, see section "Powering-Off the RU" in RU Maintenance Guide. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118 -36 V DC to -57 V DC. (b) The RUN indicator on the RU is on for 1s and off for 1s. The ALM indicator is steady off. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 119: Appendix

    This section describes the procedure for adding a tool-less female connector (pressfit type) to the RU power cable on the RU side. Context Figure 12-1 shows the cable diagram on labels. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 120 Step 3 Strip a specified length of sheath off each core wire. The length must be consistent with the length of the notch in the tool-less female connector (pressfit type), as shown in Figure 12-4. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 121 Phillips screwdriver, and then use a torque screwdriver to tighten the M4 screws to 1.4 N· m (12.39 lbf· in.), as shown in Figure 12-7. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 122 Figure 12-8 Stripping the sheath off the power cable Each core wire is exposed outside the tool-less female connector (pressfit type) for 1.5 mm (0.059 [in.]), as shown in Figure 12-9. Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 123 RRU3260 Installation Guide 12 Appendix Figure 12-9 Inserting core wires into the tool-less female connector (pressfit type) ----End Issue 05 (2014-06-30) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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