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Huawei R240D Hardware Installation

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R240D
Hardware Installation and
Maintenance Guide
Issue
03
Date
2016-01-26
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei R240D

  • Page 1 R240D Hardware Installation and Maintenance Guide Issue Date 2016-01-26 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

    R240D Hardware Installation and Maintenance Guide About This Document About This Document Intended Audience This document describes hardware features of the R240D and provides basic installation methods. This document is intended for:  Network planning engineers  Hardware installation engineers ...
  • Page 4 2.5.3 Installing the Device on a Wall or Ceiling Issue 02 (2015-12-12) This version has the following updates: The installation tool list is updated. Issue 01 (2015-09-15) Initial commercial release. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.1.5 Replacing the Mold of the Crimping Tool ....................... 63 5.2 Environmental Requirements for Device Operation ....................66 5.2.1 Environmental Requirements for an Equipment Room ................... 66 Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 5.4.4 Engineering Labels for User Cables ........................91 5.4.5 Engineering Labels for Power Cables ........................92 5.5 Guide to Using Optical Modules ..........................95 5.6 Fault Tag ..................................98 5.7 Installation Checklist ..............................99 Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Product Overview

    Hardware Installation and Maintenance Guide 1 Product Overview Product Overview 1.1 Device Structure Figure 1-1 shows the appearance of the R240D. Figure 1-1 Appearance of the R240D Table 1-1 describes interfaces on the R240D. Table 1-1 Interfaces on the R240D...

  • Page 8: Indicator Description

    DC power source, use the power adapter delivered with the device; otherwise, the device maybe damaged. 1.2 Indicator Description R240D provides only one indicator, as shown in Figure 1-2. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 9 Figure 1-2 Indicator on the R240D  The indicator is located inside the panel, which turns on after the AP is powered on.  Indicator colors may vary slightly at different temperature. Table 1-2 Description of the indicator on the R240D Type Color Status Description...

  • Page 10: Basic Specifications

    The fault cannot be automatically rectified and must be rectified manually. 1.3 Basic Specifications Table 1-3 Basic specifications of the R240D Item Description Technical specifications Dimensions outside the wall 140mm× 86mm× 25mm Issue 03 (2016-01-26) Huawei Proprietary and Confidential...

  • Page 11: Ordering Information

    5% to 95% (non-condensing) Ingress Protection Rating IP20 Atmospheric pressure 70 kPa to 106 kPa 1.4 Ordering Information To place an order, contact the Huawei local office. Part Number Description 50082735 Broadband Network Terminal,R240D,5*RJ45, 2*RJ11,11ac, 2*2 Double Frequency Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright ©...

  • Page 12: Ap Installation

    Tool Preparation To install APs, prepare tools listed in Table 2-1. Table 2-1 Tools Phillips screwdriver ESD gloves Diagonal pliers RJ45 crimping tool Cable cutter Wire stripper Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Installation Flowchart

    Stop unpacking if the equipment is rusted or soggy. Then, investigate causes and contact the supplier. Usually, the packing list contains the following items.  Remote Radio Unit  Screws Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Determining The Installation Position

    If a PoE adapter is required, you need to purchase it separately. 2.4 Determining the Installation Position Figure 2-2 shows dimensions of the R240D. Figure 2-2 Dimensions of the R240D (unit: mm) When determining the device installation position, comply with the following rules: ...

  • Page 15: Installing The Device

    2.5.1 Installing the Device into an 86-Type Box Use a screwdriver to remove the 86-type panel from the wall (skip this step if no 86-type panel is installed on the wall). Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16 Align the screw holes at the right and left of the device with the screw holes on the box and secure the device on the box with a screwdriver. Close the panel to complete installation. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Installing The Device Into Other Junction Boxes

    Determine locations of mounting holes on the sheet metal mounting bracket based on the distance between screw holes on the junction box. (In the following example, the screw holes on the junction box are 83.5 mm distant from each other.) Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 18 If the screw holes on the junction box do not match the M4 screws, customers need to prepare the fastening screws by themselves. Connect the network cable to the GE/PoE interface and the telephone line to the phone interface. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Open the front panel of the device, align the the screw holes at the right and left of the AP with the screw holes on the mounting bracket, and secure theAP on the mounting bracket with machine screws. Close the panel. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Installing The Device On A Wall Or Ceiling

    Use the flat washer and self-tapping screws to fasten the mounting bracket to the wall or ceiling. If the device is installed against the wall, ensure that UP arrowhead faces upwards. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 21 Open the front panel of the device, align the the screw holes at the right and left of the AP with the screw holes on the mounting bracket, and secure theAP on the mounting bracket with machine screws. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Cable Connection

    R240D Hardware Installation and Maintenance Guide 2 AP Installation Close the panel. 2.6 Cable Connection Figure 2-3 shows interfaces of the R240D. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 23 R240D Hardware Installation and Maintenance Guide 2 AP Installation Figure 2-3 Interfaces of the R240D Table 2-3 shows cable connections of the R240D. Table 2-3 Cable connections Cable Description Phone cable Connects the uplink phone interface to the traditional PSTN.

  • Page 24: Checking The Device After Installation

    After the installation is complete, observe indicators on the device to determine the system running status. For details, see 1.2 Indicator Description. Do not frequently power on and off an device. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Logging In To The Device

    Step 2 Assign the PC with an IP address on the same network segment as the default IP address of the device so that the PC and device are reachable to each other. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 26 Step 3 Start the CLI on the PC and access the IP address 169.254.1.1 of the device using STelnet V2. Step 4 Enter the user name and password as prompted to log in to the user interface. ----End Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Hardware Failures

     The line is faulty (the network cable or distribution frame is damaged).  The device is faulty. Troubleshooting Procedure Power Supply Mode Troubleshooting Procedure Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 28 4. If the device still cannot be powered on, the device itself is faulty. Contact Huawei technical support engineers or Huawei agent and ask them to replace the device. Issue 03 (2016-01-26) Huawei Proprietary and Confidential...

  • Page 29: Appendix

    Precautions for Assembly  Use dedicated tools or tools delivered by Huawei and follow the methods given here during assembly.  Hold terminals of cables instead of pulling the cables themselves when installing or removing cable components.

  • Page 30: Assembling Power Cables

    Step 1 Based on the cross-sectional area of the cable conductor, strip a length of insulation coating C to expose the conductor D of length L1, as shown in Figure 5-2. The recommended values of L1 are listed in Table 5-1. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 31 When you strip a power cable, do not damage the conductor of the cable.  If the bare crimping terminal is not provided by Huawei, the value of L1 is 1 mm (0.04 in.) to 2 mm (0.08 in.) greater than the value of L.
  • Page 32 Step 5 Push the heat shrink tubing (A) toward the connector until the tube covers the crimped part, and then use a heat gun to heat the tube, as shown in Figure 5-5. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 Step 1 Strip a part of the insulation to expose the cable conductor with a length of L, as shown in Figure 5-7. The recommended values of L are listed in Table 5-2. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 34 When you strip a power cable, do not damage the conductor of the cable.  If the bare crimping terminal is not provided by Huawei, you can adjust the value of L as required. Figure 5-7 Stripping a power cable (JG terminal)
  • Page 35 Step 5 Push the heat shrink tubing toward the connector until the tube covers the crimped part, and then use a heat gun to heat the tube, as shown in Figure 5-10. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36 Step 1 Strip a part of the insulation to expose the cable conductor with a length of L1, as shown in Figure 5-12. The recommended values of L1 are listed in Table 5-3. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Figure 5-13. After the conductor is fed into the cord end terminal, the protruding part of the conductor must not be longer than 1 mm (0.04 in.). Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 38 0.5 (0.0008) 1 (0.04) 1.0 (0.0015) 1.5 (0.06) 1.5 (0.0023) 1.5 (0.06) 2.5 (0.0039) 2.4 (0.09) 4 (0.006) 3.1 (0.12) 6 (0.009) 4 (0.16) 10 (0.015) 5.3 (0.21) Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 39: Assembling Ethernet Cables

    F. Shield layer of G. Twisted-pair wires Ethernet cable Ethernet cable Procedure Step 1 Fit the jacket of the connector onto the Ethernet cable, as shown in Figure 5-16. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Figure 5-17 Removing the jacket of a twisted-pair cable (unit: mm (in.)) Step 3 Fit the metal shell onto the twisted-pair cable. The shield layer is covered by the metal shell, as shown in Figure 5-18. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 Step 5 Lead the four pairs of twisted-pair wires through the wire holder, as shown in Figure 5-20 and Figure 5-21. Ensure that the colored wires are in the correct location in the cable. Figure 5-20 Leading wires through the wire holder Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Step 6 Align the four pairs of cables in the holder, as shown in Figure 5-22. The connections between the wires and the pins are shown in Figure 5-23 and listed in Table 5-5. Figure 5-22 Four pairs of cables on a wire holder Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Orange White-Green Blue White-Blue Green White-Brown Brown Step 7 Cut off the surplus cables along the lower edge of the wire holder, as shown in Figure 5-24. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 Step 9 Push the metal shell toward the connector body until the wire holder and the connector body are engaged completely. Crimp the connector, as shown in Figure 5-26. Figure 5-26 Crimping the connector Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 45 A. Plug of connector B. Jacket C. Twisted-pair wires Procedure Step 1 Remove a 16-mm (0.63 in.) long section of the jacket, as shown in Figure 5-29. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Wire Color White-Orange Orange White-Green Blue White-Blue Green White-Brown Brown Step 3 Feed the cable into the plug, and crimp the connector, as shown in Figure 5-31. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 Figure 5-32 shows an unqualified piece, and Figure 5-33 shows a qualified piece. All unqualified pieces must be crimped again. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Step 3 Check whether the contact strips are clean. If they are not clean and the dirt cannot be removed, replace it with a new RJ45 connector. Figure 5-35 shows an unqualified piece. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 If not, replace the connector. Figure 5-37 shows an unqualified piece. Figure 5-37 Wires not in good contact with the edge of the RJ45 ----End Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 5 Appendix Testing the Connection of Assembled Cables Context Huawei provides two types of Ethernet cables: straight-through cables and crossover cables.  Straight-through cables are connected in a one-to-one manner. They are used to connect terminals such as a computer or switch to network devices. Table 5-7 lists the connections of core wires in a straight-through cable.
  • Page 51 Step 3 Gently shake the connector and repeat 错误！未找到引用源。 to check whether the metal ontact strips are in good contact with the core wires and Ethernet ports, as shown in Figure 5-40. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 If a tester is not available, you can use a multimeter to perform a simple test, as shown in Figure 5-41. Figure 5-41 Testing the connection of an Ethernet cable Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Installing Cable Accessories

    For example, in this document, the adapters of cable connectors have separate interfaces. In the actual situation, the adapters may have interfaces fixed on equipment. Use dedicated tools provided or specified by Huawei and follow the installation procedure described here.
  • Page 54 Figure 5-42 Aligning the OT terminal with a connecting hole When you install an OT terminal, the crimping sleeve is installed as shown in Figure 5-43, where A is correct and B is incorrect. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 Ensure that the OT terminal is not in contact with other terminals or metal components. Move the cable slightly and ensure that it is securely connected, as shown in Figure 5-45. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 56 Bend the upper OT terminal at a 45- or 90-degree angle, as shown in Figure 5-46. − Cross the two terminals, as shown in Figure 5-47. Figure 5-46 Bending the upper OT terminal at a 45- or 90-degree angle Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Figure 5-48 Placing a terminal on a terminal jack vertically Step 2 Insert the terminal into the jack vertically, and turn the screw clockwise to fasten the terminal, as shown in Figure 5-49. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 Figure 5-50. Figure 5-50 Holding the male and female shielded connectors Step 2 Insert the male connector into the female connector, as shown in Figure 5-51. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 59 Figure 5-52 Installed shielded Ethernet connector Step 4 To remove an Ethernet connector, press the locking key and pull out the connector, as shown in Figure 5-53. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 60 Figure 5-54. Figure 5-54 Holding the male and female unshielded connectors Step 2 Feed the male connector into the female connector, as shown in Figure 5-55. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 Figure 5-56 Installed unshielded Ethernet connector Step 4 To remove an Ethernet connector, press the locking key and pull out the connector, as shown in Figure 5-57. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 Step 1 Remove the dustproof cap of the FC connector and store it for future use. Step 2 Align the core pin of the male connector with that of the female connector, as shown in Figure 5-58. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 Figure 5-59 Feeding the male connector into the female connector Step 4 Fasten the locking nut clockwise and ensure that the connector is securely installed, as shown in Figure 5-60. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 Step 1 Remove the dustproof cap of the LC fiber connector and store it for future use. Step 2 Align the core pin of the male connector with that of the female connector, as shown in Figure 5-62. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 Step 5 To disassemble an LC fiber connector, press the locking nut to release the locking clips from the bore, and gently pull the male connector, as shown in Figure 5-65. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 (not the pigtail). When you hear a click, the fiber connector is secured by the clips (internal parts, not illustrated in the figure). Pull the fiber connector gently. If the connector does not loosen, the installation is complete. See Figure 5-67. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Step 1 Remove the dustproof cap of the MPO fiber connector and store it for future use. Step 2 Align the core pin of the male connector with that of the female connector, as shown in Figure 5-69. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Figure 5-70 Installed MPO fiber connector Step 4 To disassemble an MPO fiber connector, hold the shell labeled "PULL" and remove the male connector, as shown in Figure 5-71. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Replacing The Mold Of The Crimping Tool

    Step 2 Hold the handles of the COAX crimping tools to open the self-locking mechanism. The jaw of the COAX crimping tools opens automatically, as shown in Figure 5-73. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Figure 5-74 Removing the mold from the COAX crimping tools Step 4 Place the mold to be installed into the jaw of the COAX crimping tools and align the screw holes, as shown in Figure 5-75. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 Step 6 Hold the handles of the COAX crimping tools with one hand. Tighten the two fastening screws clockwise. Figure 5-77 and Figure 5-78shows the mold installed in the COAX crimping tool. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Environmental Requirements For Device Operation

    The equipment room should be located in a place free from high temperature, dust, toxic gases, explosive materials, or unstable voltage. Keep the equipment room away from significant vibrations or loud noises, as well as power transformer stations. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 To ensure easy maintenance and management, place the equipment in different rooms. Figure 5-79 shows the layout of the equipment room. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 The door of the equipment room should be 2 m (6.56 ft) high and 1 m windows (3.28 ft) wide. One door is enough. Seal the doors and windows with Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 This problem can shorten the life span of devices and cause faults. The equipment room must be free from explosive, conductive, magnetically-permeable, and corrosive dust. Table 5-11 lists the requirement for dust concentration in the equipment room. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Avoid constructing the room near a place where the corrosive gas concentration is high, such as a chemical plant.  Ensure the air intake vent of the room is in the prevailing upwind direction from any pollution source. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 AC power distribution panel (box). Correctly ground the surge need to be protector nearby. equipped with a  For an equipment room in urban area, install a power supply surge Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Ground the idle lines inside the cable in the equipment room.  Signal cables should be deployed on internal walls. Do not deploy outdoor aerial cables.  Keep signal cables away from power cables and surge protection Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 0.5 m (1.64 ft.) segment from the reinforcing rib. Wrap the reinforcing rib with at least five layers of insulation tape. Keep the reinforcing rib at least 5 cm (1.969 in.) from the cabinet surface. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 80: Requirements For Power Supply

    Low-voltage power distribution rooms should comply with local regulations. Recommendations for AC Power Supply The following are recommendations for the AC power supply. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 1%. Overshoot Integral value of the DC output voltage ± 5% amplitude of switch on/off ≤200 mV Peak noise voltage Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 82: Equipment Grounding Specifications

    The ground cable must be connected securely to the protective ground bar of the equipment room. Do not use other equipment as part of the ground cable or electrical connection. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 83: Grounding Specifications For An Equipment Room

    Connect the two ends of the short-circuiting cable to the ground busbar terminals of neighboring cabinets and fix them firmly. 5.3.4 Grounding Specifications for Communications Power Supply Table 5-18 shows the grounding specifications for communication power supplies. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 84: Grounding Specifications For Signal Cables

    The MDF should use the same grounding conductor as the cabinet. Do not route signal cables overhead. 5.3.6 Specifications for Laying Out Grounding Cables Table 5-20 shows the specifications for the ground cable. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 85: Engineering Labels For Cables

    Ambient temperature: -29° C (-20.2° F) to +149° C (300.2° F)  Printed by a laser printer and written with a marker  Pass UL and CSA authentication Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 86 The identification plate has an embossed area 0.2 mm x 0.6 mm (0.008 in. x 0.02 in.) around (symmetric on both sides), and the area in the middle is for affixing the label, as shown in Figure 5-82. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 The contents can be printed or written on the labels. Printing is recommended for the sake of high efficiency and eye-pleasant layout. Template for Printing You can obtain a template from the Huawei local office to print labels. The template is made in Microsoft Word. Follow these instructions to use the template: Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright ©...
  • Page 88 After the page setup has been made correctly, save it for future use. This page setup is only necessary the first time you use the template to print the labels. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Table 5-21 Standard typeface for handwriting Determine the size of characters based on the number of letters or digits and ensure that the characters are distinct and tidy. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90 The identification card should be downward when you lay out the cable horizontally. Figure 5-85 Text area of the label  Procedure for attaching labels Figure 5-86 shows the methods and procedures for attaching labels. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 The identification card is to the right of the cable in vertical cabling.  The identification card is on the top of the cable in horizontal cabling. Make sure that the label is facing out. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 The side with "TO:" that is facing outside carries the location information of the opposite end; and the other side carries the location information of the local end. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 93: Engineering Labels For Optical Fibers

    01. For example, 01 is the first slot at the top left of the chassis. D: optical Numbered in top-down and left-right order, consistent interface with the port sequence number on the device. number. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94 Numbered in top-down and left-right order starting number from 01. For example, 01 is the first slot at the top left of the chassis. D: optical Numbered in top-down and left-right order, consistent Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 "ODF-G01-01-01-R" indicates that the local end of the optical fiber is connected to the optical receiving terminal in row 01, column 01 of the ODF in row G, column 01 in the machine room. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 96: Engineering Labels For Network Cables

    The label on the device end should indicate the number of the chassis and cabinet where the device is located. If the device is a standalone device, provide the specific position of the device. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 97: Engineering Labels For User Cables

    03. C: physical slot Numbered with two digits in top-down and number left-right order. For example, 01. D: cable number Numbered with two digits in top-down and Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 98: Engineering Labels For Power Cables

    The labels for DC power cables are affixed to one side of the identification plates on cable ties. For details of the labels, see Table 5-26. Table 5-26 Contents of the label Content Meaning Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99 -48 V connector bar has a numeric identification. For example, in the above label of "A01/B08--48V2", "08" (or sometimes "8") is the numeric identification of the terminal block. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 Figure 5-94. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 101: Guide To Using Optical Modules

    The system may fail to obtain information about non-Huawei-certified optical modules or obtain incorrect information. You are advised to use Huawei-certified optical modules. Obtain the electronic label of the optical module and contact Huawei technical support personnel to confirm whether it is a Huawei-certified optical module.
  • Page 102 Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 Clean a receptacle with a cotton swab, as shown in Figure 5-100. Clean an optical connector with cleaning tissues. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 104: Fault Tag

    For example, optical signals will be lost. 5.6 Fault Tag *Customer name: Address: Contact person: Tel.: Fax: Category*: □ RMA □ Return □ Analysis Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 105: Installation Checklist

    The air vent of the device is free from blockage to ensure dent AC normal heat dissipation. Indepen The power modules are securely installed with their captive Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106 APs cannot be installed in environments with strong electrical or magnetic interference or corrosive General materials. If the onsite environment does not meet requirements, adjust the AP installation positions properly. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 107 Use waterproof labels to mark the registration names of APs General on the AC, as well as their channels and IP addresses. The lables should be attached to the front of the APs for easy Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108 The signal cables shall be bundled at even intervals (about Outdoor 1000 mm), not too tight or too loose. The cables shall be bundled properly with cable ties placed in neat order. Cut off Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Fiber connectors and optical ports that are not used must be protected with protective caps or plugs. Cleaning must be carried out in strict accordance with Huawei tool specifications. The feeder cables shall not be bent or twisted, with no copper General wire exposed.
  • Page 110 30 cm. Take waterproof measures on connectors of the antennas and Outdoor feeder cables and keep the drain holes of antennas antenna downwards. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 111 Power cables and ground cable are separated from the signal General cables. Power cables and ground cables are routed straightly and General properly bundled, with sufficient slack at the bend part. If the Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 If a short-distance optical fiber is used for a long-distance optical module, especially in loopback scenarios, use an General optical attenuator to prevent the optical module from being burnt. Issue 03 (2016-01-26) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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