Huawei AP4050DN Hardware Installation And Maintenance Manual
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Huawei AP4050DN Hardware Installation And Maintenance Manual

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AP4050DN-HD
Hardware Installation and
Maintenance Guide
Issue
01
Date
2016-04-15
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei AP4050DN

  • Page 1 AP4050DN-HD Hardware Installation and Maintenance Guide Issue Date 2016-04-15 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

    NOTICE is used to address practices not related to personal injury. Calls attention to important information, best practices and tips. NOTE is used to address information not Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Change History Changes between document issues are cumulative. The latest document issue contains all changes made in previous issues. Issue 01 (2016-04-15) Initial commercial release Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    5.1.1 Cable Assembly Precautions ............................ 28   5.1.2 Assembling Power Cables ............................29   5.1.3 Assembling Ethernet Cables ............................ 39   5.1.4 Installing Cable Accessories ............................ 53   Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6 5.4.5 Engineering Labels for Power Cables ........................98   5.5 Guide to Using Optical Modules ..........................101   5.6 Fault Tag ................................... 104   5.7 Installation Checklist ..............................105   Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Product Overview

     Real-time management and maintenance  In compliance with 802.11ac Wave 2, the AP4050DN-HD can provide gigabit access for wireless users, greatly improving wireless user experience. The AP4050DN-HD provides basic 802.11n/ac WLANs for high-density scenarios of indoor stadiums. It provides flexible distribution options in different environments and can work in hybrid mode (AP+WDS).

  • Page 8: Indicator Description

    When the AP uses the DC power supply, use a power adapter for power supply; otherwise, the AP  may be damaged. 1.2 Indicator Description The AP4050DN-HD provides only a single indicator, as shown in Figure 1-2. Indicator colors may vary slightly at different temperature. Issue 01 (2016-04-15) Huawei Proprietary and Confidential...
  • Page 9 STAs are associated with the AP. The system  enters the Uboot CLI. Blinking once every The system is 5s (0.2 Hz) running properly, the Ethernet connection is Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Basic Specifications

    The fault cannot be automatically rectified and must be rectified manually. 1.3 Basic Specifications Table 1-3 provides basic specifications of the AP4050DN-HD. Table 1-3 Basic Specifications Item Description Technical Dimensions (H x 63mm×334mm×240mm Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright ©...

  • Page 11: Ordering Information

    1.4 Ordering Information To place an order, contact technical support personnel. Part Number Description 50082948 Wireless LAN Equipment,AP4050DN-HD-USA,11ac,Double Frequency,Built-in Antenna 50082947 Wireless LAN Equipment,AP4050DN-HD,11ac,Double Frequency,Built-in Antenna Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Ap Installation

    Do not put the device and tools in the aisles.  Only the qualified personnel are permitted to install and remove the device and its accessories. Before installation and operation, read the safety precautions carefully. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13 Slip-proof glove Marker Hammer drill Claw hammer Diagonal pliers Wire stripper RJ45 crimping tool Cable cutter Network cable tester Multimeter Ladder Safety helmet Safety belt Anti-skid shoes Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Installation Flowchart

    AP device  Indoor fixed sheet metal mounting bracket  DC power adapter (optional)  Screw  Adjustable buckle  Hose clamp (optional)  Expansion screws  Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Determining The Installation Position

    APs, antennas, and other radio communication devices. For details, see Table 2-2. Install the AP in a hidden position that does not affect daily lives and work of residents.  Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 16: Installing The Ap

    Remove the protective film on the surface before installation to prevent electrostatic discharge. 2.5.1 Installing the Device on a Wall Mounting kits and expansion bolts are required to install the AP on a wall. The AP4050DN-HD can be installed on a wall using an indoor fixed angle-adjustable mounting bracket.
  • Page 17 Align the mounting screws at the rear of the AP with the mounting holes on the sheet metal mounting bracket and then press the AP downwards to secure the AP on the bracket. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 18 Use an 8 mm drill bit to drill 35 mm to 40 mm deep holes in the drilling positions. Hammer the expansion tubes into the holes until the expansion tubes are completely embedded into the wall. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19 Loosen the two screws at the horizontal direction, adjust the AP's angle at the horizontal and vertical directions, and tighten the hex socket screws. Use M4x35 cruciform slot screws to tighten the AP and mounting bracket from the side. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 20: Installing The Device On A Ceiling

    The angle-adjustable mounting bracket can adjust the AP's angle within ±60° at the vertical and  horizontal directions. 2.5.2 Installing the Device on a Ceiling The AP4050DN-HD can be installed on a ceiling using an indoor fixed angle-adjustable mounting bracket.
  • Page 21 Remove the topmost screw from the base bracket, hang the AP-side mounting bracket onto the topmost screw, and tighten the screw until the screw passes through the hole of the horizontal scale plate. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 22 Loosen the screws, adjust the AP's position as required, and tighten the hex socket screws. Use M4x35 cruciform slot screws to tighten the AP and mounting bracket from the side. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Installing The Device On A T-Rail

    Hang the AP on the mounting holes by aligning the mounting screws at the rear of the AP with the mounting holes on the bracket and push the AP horizontally to secure the Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 24: Installing The Device On A Pole

    Lead the hose clamp through the mounting bracket and secure the mounting bracket to the pole. Tighten and close the hose clamp. Use an M6 inner hex torque screwdriver to tighten the screw. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 25 Align the mounting screws at the rear of the AP with the mounting holes on the bracket and hang the AP on the bracket. Push the AP downward to secure the AP. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Cable Connection

    Use M4x35 cruciform slot screws to tighten the AP and mounting bracket from the side. 2.6 Cable Connection Figure 2-3 describes the cable connections. Figure 2-3 Appearance of the AP4050DN-HD Table 2-3 Cable connections Cable or Device Description Network cable CAT5E cables or higher must be used.

  • Page 27: Connecting The Security Lock

    The detailed procedures are as follows: Fasten the cable of the security lock to an immovable object around. Insert the security lock into the security slot and lock it. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Checking The Device After Installation

    Connectors of signal cables are complete, intact, and tightly connected. The signal cables are not damaged or broken. Labels on cables are clear and correct. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 29: Powering On The Ap

    After the AP installation is complete, observe indicator on the AP to determine the system running status. For details, see 1.2 Indicator Description. Do not frequently power on and off the device. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 30: Logging In To The Device

    If the device is already online on the AC, you can remotely log in to the AC on a local terminal and run the display ap all command to check the IP address of the device. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Logging In To The Device Through The Console Port

    Stop bits: 1  Flow control (F): None  Step 3 Press Enter and enter the default user name admin and password admin@huawei.com as prompted to log in to the user view. (The following information is only for reference.) Login authentication Username: Password: Info: You are advised to change the password to ensure security.

  • Page 32: Hardware Failures

    (the PoE function is disabled or the power-off time range is improperly set). The line is faulty (the network cable or  distribution frame is damaged). Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 33 4. If the device still cannot be powered on, the device itself is faulty. Contact technical support personnel or Huawei agent and ask them to replace the device. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Appendix

    Do not use connectors that have dirt on their pins or in their jacks or if there are  conductors between pins or between pins and the shell. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Assembling Power Cables

    Hardware Installation and Maintenance Guide 5 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 ...
  • Page 36 D of length L1, as shown in Figure 5-2. The recommended values of L1 are listed in Table 5-1. Figure 5-2 Stripping a power cable (OT terminal) Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 37 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 38 Stop heating the shrink tubing when the connector is securely locked in the shrink tubing. Do not heat the shrink tubing too long as this may damage the insulation coating. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 39 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 40 5 Appendix 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 41 Figure 5-10 Heating the heat shrink tubing (JG terminal) ----End Assembling the Cord End Terminal and the Power Cable Context Figure 5-11 shows the components of a cord end terminal and a power cable. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42 Table 5-3 Mapping between the cross-sectional area of the conductor and the value of L1 Cross-Section Value of L1 Cross-Sectional Value of L1 al Area of (mm(in.)) Area of Conductor (mm(in.)) Conductor (in. (in. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 43 Figure 5-13 Putting the cord end terminal onto the conductor Step 3 Crimp the joint parts of the cord end terminal and the conductor, as shown in Figure 5-14. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 44 2.4 (0.09) 4 (0.006) 3.1 (0.12) 6 (0.009) 4 (0.16) 10 (0.015) 5.3 (0.21) 16 (0.025) 6 (0.24) 25 (0.039) 8.7 (0.34) 35 (0.054) 10 (0.39) ----End Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Assembling Ethernet Cables

    Step 1 Fit the jacket of the connector onto the Ethernet cable, as shown in Figure 5-16. Figure 5-16 Fitting the jacket of the connector onto the Ethernet cable Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46 Along the edge of the metal shell, cut off the aluminum foil shield layer and ensure that there is no surplus copper wire. The exposed twisted-pair cable is about 20 mm (0.79 in.) long, as shown in Figure 5-19. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47 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. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48 Table 5-5 Connections between wires and pins (using a straight-through cable as an example) Matching Pins of Wires Wire Color White-Orange Orange White-Green Blue White-Blue Green White-Brown Brown Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49 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. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50 Step 11 To complete the assembly of the other end, repeat Step 1 through Step ----End Assembling an Unshielded RJ45 Connector and Ethernet Cable Context Figure 5-28 shows the components of an unshielded RJ45 connector and cable. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 51 Step 2 Align the four pairs of wires and cut the ends neatly, as shown in Figure 5-30. The connections between the wires and the pins are listed in Table 5-6. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52 When inserting the cable, check from the side or bore of the plug to ensure that the cable is completely seated in the plug. Figure 5-31 Crimping the connector Step 4 To complete the assembly of the other end, repeat Step 1 through Step ----End Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Figure 5-32 shows an unqualified piece, and Figure 5-33 shows a qualified piece. All unqualified pieces must be crimped again. Figure 5-32 Contact strips of different heights Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 54 Step 4 Check whether the contact strips and the plastic separators are well aligned and intact. If a separator is skewed and cannot be fixed, replace it with a new RJ45 connector. Figure 5-36 shows an unqualified piece. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 55 ----End 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 56 Green Twisted Green-White Blue Twisted Blue-White Brown Twisted Brown-White Figure 5-38 shows the pins of an RJ45 connector. Figure 5-38 Pins of an RJ45 connector Pin8 Pin1 Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 3 Gently shake the connector and repeat Step 2 to check whether the metal contact strips are in good contact with the core wires and Ethernet ports, as shown in Figure 5-40. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 58 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 59: 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 60 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 61 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 62 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 64 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 (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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 75: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 78: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79 To ensure easy maintenance and management, place the equipment in different rooms. Figure 5-79 shows the layout of the equipment room. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84  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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 86: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 1%. Overshoot Integral value of the DC output voltage ±5% amplitude of switch on/off Peak noise ≤200 mV voltage Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 88: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 89: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 90: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 91: Engineering Labels For Cables

    Material: polyester (PET)  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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright ©...
  • Page 94 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 99: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 "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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 102: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 103: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 104: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105 -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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106 Figure 5-94. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 107: Guide To Using Optical Modules

    5.5 Guide to Using Optical Modules Common Faults of an Optical Module 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 technical support personnel to confirm whether it is a Huawei-certified optical module.
  • Page 108 Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109 Clean a receptacle with a cotton swab, as shown in Figure 5-100. Clean an optical connector with cleaning tissues. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 110: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

  • Page 111: 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 112 APs cannot be installed in environments General with strong electrical or magnetic interference or corrosive materials. If the onsite environment does not meet requirements, adjust the AP installation positions properly. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 113 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 114 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 115 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 116 30 cm. Take waterproof measures on connectors of the antennas and Outdoor feeder cables and keep the drain holes of antennas antenna downwards. Issue 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 117 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 118 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 01 (2016-04-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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