AP4050DN-HD Hardware Installation and Maintenance Guide Issue 01 Date 2016-04-15 HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2016. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. Trademarks and Permissions and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd. All other trademarks and trade names mentioned in this document are the property of their respective holders.
AP4050DN-HD Hardware Installation and Maintenance Guide About This Document About This Document Intended Audience This document describes hardware features of the 4050DN-HD and provides basic installation methods. This document is intended for: Network planning engineers Hardware installation engineers Commissioning engineers Onsite maintenance engineers System maintenance engineers Symbol Conventions The symbols that may be found in this document are defined as follows.
AP4050DN-HD Hardware Installation and Maintenance Guide Symbol About This Document Description related to personal injury, equipment damage, and environment deterioration. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide Contents Contents About This Document .................................................................................................................... ii 1 Product Overview ......................................................................................................................... 1 1.1 Device Structure ....................................................................................................................................
AP4050DN-HD Hardware Installation and Maintenance Guide Contents 5.1.5 Replacing the Mold of the Crimping Tool ............................................................................................................... 69 5.2 Environmental Requirements for Device Operation ................................................................................................... 72 5.2.1 Environmental Requirements for an Equipment Room ..........................................................................
AP4050DN-HD Hardware Installation and Maintenance Guide 1 Product Overview 1 Product Overview About This Chapter The AP4050DN-HD has the following advantages: 2x2 MIMO Good service support capabilities High reliability High security Simple network deployment Automatic AC discovery and configuration 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 1 Product Overview Figure 1-1 Appearance of the AP4050DN-HD Table 1-1 describes interfaces on the AP4050DN-HD. Table 1-1 Interface description No. Name Description 1 Default Reset button: restores factory settings and restarts the device if you hold down the button more than 3 seconds. 2 CONSOLE Connects to a maintenance terminal for AP configuration and management.
AP4050DN-HD Hardware Installation and Maintenance Guide 1 Product Overview Figure 1-2 Indicator Table 1-2 Indicator description Type Color Status Description Default status after power-on Green Steady on The AP is just powered on and the software is not started yet. Software startup status Green Steady on after blinking once After the system is reset and starts uploading the software, the indicator blinks green once.
AP4050DN-HD Hardware Installation and Maintenance Guide Type Color 1 Product Overview Status Description normal, and no STA is associated with the AP. The system is in low power consumption state. Alarm Fault Green Red Blinking once Alarm Green every 0.25s (4 Hz) Steady on The software is being upgraded.
AP4050DN-HD Hardware Installation and Maintenance Guide 1 Product Overview Item Description specifications W x D) Power specifications Weight 1.43kg System memory 256MB DDR3L 64MB NOR FLASH DC: 12V±10% PoE power supply: in compliance with IEEE 802.3af/at Power input Maximum power consumption Environment specifications 12W NOTE The actual maximum power consumption depends on local laws and regulations.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 2 AP Installation About This Chapter 2.1 Preparing for Installation 2.2 Installation Flowchart 2.3 Unpacking the Equipment 2.4 Determining the Installation Position 2.5 Installing the AP 2.6 Cable Connection 2.7 Connecting the Security Lock 2.8 Checking the Device After Installation 2.9 Powering on the AP 2.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation Tool Preparation To install APs, prepare tools listed in Table 2-1.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 2.2 Installation Flowchart The following figure shows the process for installing an AP. Figure 2-1 Installation flowchart 2.3 Unpacking the Equipment Before unpacking the carton, ensure that the packing carton is intact and not damaged or soaked. Stop unpacking if the equipment is rusted or soggy. Then, investigate causes and contact the supplier. After unpacking, check items in the carton against the packing list.
AP4050DN-HD Hardware Installation and Maintenance Guide Quick start guide Warranty card MAC address label SN label 2 AP Installation If a PoE adapter is required, you need to purchase it separately. If a PoE adapter is required, you need to purchase it separately. The angle-adjustable mounting kits need to be purchased separately. 2.4 Determining the Installation Position Indoor APs are usually mounted on a wall or ceiling using sheet metal mounting brackets.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation Install the AP in a site that is free from leaking or dripping water, heavy dew, and humidity, and take protective measures to prevent water from flowing into the equipment along the cable.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 2. Use a 6 mm drill bit to drill 25 mm to 30 mm deep holes in the drilling positions. Hammer the expansion tubes into the holes until the expansion tubes are completely embedded into the wall. 3. Fix the mounting bracket to the wall and use the Phillips screwdriver to fasten three expansion screws into the expansion tubes. 4. Connect the cables. For details, see 2.6 Cable Connection. 5.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation Angle-Adjustable Mounting Bracket 1. Place a base bracket against the wall and mark the drilling positions through holes of the bracket, as shown in the following figure. 2. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 3. Place the base bracket against the wall and use a wrench to fasten two expansion screws into the expansion tubes. 4. 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. 5. Connect the cables. For details, see 2.6 Cable Connection. 6.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 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 or angle-adjustable mounting bracket. Indoor Fixed Mounting Bracket 1.
AP4050DN-HD Hardware Installation and Maintenance Guide 3. 2 AP Installation 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 AP. Angle-Adjustable Mounting Bracket 1. Remove a ceiling tile and determine locations of mounting holes based on the distance between two installation holes on the mounting bracket.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 3. Connect the cables. For details, see 2.6 Cable Connection. 4. Align the mounting screws at the rear of the AP with the mounting holes on the bracket and horizontally push the AP to secure it. 5. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation Ensure that the AP is securely installed on the mounting bracket and there must be 200 mm space above and around the AP for maintenance. The angle-adjustable mounting bracket can adjust the AP's angle within ±60° at the vertical and horizontal directions. 2.5.3 Installing the device on a T-rail The AP can be installed on a T-rail indoors using a fixed mounting bracket. 1.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation Before fixing the adjustable buckle with a screw, you need to adjust the buckle to a proper position based on the T-rail width. Ensure that the AP is correctly installed on the mounting bracket and there must be 200 mm space above and around the AP for maintenance. 2.5.4 Installing the Device on a Pole 1. Issue 01 (2016-04-15) The pole must have a diameter of 48 mm to 114 mm and a thickness of at least 2.5 mm.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 2. 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. 3. Connect the cables. For details, see 2.6 Cable Connection. 4. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5. 2 AP Installation 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. 2.6 Cable Connection Figure 2-3 describes the cable connections. Figure 2-3 Appearance of the AP4050DN-HD Table 2-3 Cable connections No.
AP4050DN-HD Hardware Installation and Maintenance Guide No. Cable or Device 2 AP Installation Description length cannot exceed 100 m. If the AP needs to connect to the Ethernet, ensure that the Ethernet cable is working properly. If the Ethernet cable is not working properly, for example, RJ45 connectors are short-circuited, the AP may fail to be powered on or fail to work. Before connecting an Ethernet cable to the AP, use the cable test tool to check whether the cable is qualified.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation You need to purchase the security lock separately. 2.8 Checking the Device After Installation Table 2-4 shows the items to be checked after installation is complete. For more details, see Installation Checklist in the appendix. Table 2-4 Installation checklist No. Check Item 1 The device is installed by strictly following the design draft. The installation position meets space requirements, with maintenance space reserved.
AP4050DN-HD Hardware Installation and Maintenance Guide 2 AP Installation 2.9 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 3 3 Logging In to the Device Logging In to the Device About This Chapter 3.1 Logging In to the Device Using STelnet/Telnet 3.2 Logging In to the Device Through the Console Port 3.1 Logging In to the Device Using STelnet/Telnet You can log in to the device using STelnet V2 or Telnet to configure, manage, and maintain the device in the CLI. By default, only the STelnet V2 service is enabled on the device.
AP4050DN-HD Hardware Installation and Maintenance Guide 3 Logging In to the Device The following example uses the default parameters and is used for reference only. Step 1 Use network cables and a LAN switch to connect the PC to the network interface of 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 4 Hardware Failures 4 Hardware Failures About This Chapter This section describes common methods for troubleshooting typical hardware faults. 4.1 A Device Fails to Be Powered On 4.1 A Device Fails to Be Powered On Fault Description The SYS indicator of a device is off. Possible Causes Power Supply Mode Possible Cause Power supply using a power module The device is powered off. The power cable is not securely connected to the device.
AP4050DN-HD Hardware Installation and Maintenance Guide Power Supply Mode 4 Hardware Failures Possible Cause The device is faulty. Troubleshooting Procedure Power Supply Mode Troubleshooting Procedure Power supply using a power module 1. Check whether the device is powered off. 2. Check that the power cable is securely connected to the device. 3. Check whether the power supply is normal. Replace the power adapter with a normal one. If the device is powered on, the original power adapter is faulty.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix 5 Appendix About This Chapter 5.1 On-site Cable Assembly and Installation 5.2 Environmental Requirements for Device Operation 5.3 Equipment Grounding Specifications 5.4 Engineering Labels for Cables 5.5 Guide to Using Optical Modules 5.6 Fault Tag 5.7 Installation Checklist 5.1 On-site Cable Assembly and Installation 5.1.
AP4050DN-HD 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 removing cable components. Take the following precautions when cutting or stripping cables: − Make cables slightly longer than necessary. − Coil cables longer than 2 m (6.56 ft) after cutting.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-1 Components of an OT terminal and a power cable A. Heat-shrinkable tubing B. Bare crimping terminal C. Insulation D. Conductor Procedure 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 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, the value of L1 is 1 mm (0.04 in.) to 2 mm (0.08 in.) greater than the value of L. Table 5-1 Mapping between the cross-sectional area of the conductor and the value of L1 Cross-Section al Area of Conductor (mm2(in.2)) Value of L1 (mm(in.)) Cross-Sectional Area of Conductor (mm2(in.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix After the conductor is fed into the OT terminal, the protruding part of the conductor, or L2 in Figure 5-3, must not be longer than 2 mm (0.08 in.). Step 4 Crimp the joint parts of the bare crimping terminal and the conductor, as shown in Figure 5-4. The shapes of crimped parts may vary with the crimping dies.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix ----End Assembling the JG Terminal and Power Cable Context Figure 5-6 shows the components of a JG terminal and a power cable. Figure 5-6 Components of a JG terminal and a power cable A. JG terminal B. Heat-shrinkable tubing C. Insulation layer of a power cable D. Conductor of a power cable Procedure Step 1 Strip a part of the insulation to expose the cable conductor with a length of L, as shown in Figure 5-7.
AP4050DN-HD Hardware Installation and Maintenance Guide 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) Table 5-2 Mapping between the cross-sectional area of the conductor and the value of L Cross-Sectional Area of Conductor (mm2(in.2)) Value of L (mm(in.)) 16 (0.025) 13 (0.51) 25 (0.039) 14 (0.55) 35 (0.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Step 3 Put the bare crimping terminal onto the exposed conductor, and ensure that the bare crimping terminal is in good contact with the insulation of the power cable, as shown in Figure 5-8. Step 4 Crimp the joint parts of the bare crimping terminal and the conductor, as shown in Figure 5-9.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-11 Components of a cord end terminal and a power cable A. Cord end terminal B. Insulation layer of a power cable C. Conductor of a power cable Procedure 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. When you strip a power cable, do not damage the conductor of the cable.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Cross-Section al Area of Conductor (mm2(in.2)) Value of L1 (mm(in.)) Cross-Sectional Area of Conductor (mm2(in.2)) Value of L1 (mm(in.)) 1 (0.002) 8 (0.31) 10 (0.015) 15 (0.59) 1.5 (0.002) 10 (0.39) 16 (0.025) 15 (0.59) 2.5 (0.004) 10 (0.39) 25 (0.039) 18 (0.71) 4 (0.006) 12 (0.47) 35 (0.054) 19 (0.75) 6 (0.009) 14 (0.55) 50 (0.077) 26 (1.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-14 Crimping the cord end terminal and the conductor Step 4 Check the maximum width of the tubular crimped terminal. The maximum width of a tubular crimped terminal is listed in Table 5-4. Table 5-4 Maximum width of a tubular crimped terminal Cross-Sectional Area of Tubular Terminal (mm2(in.2)) Maximum Width of Crimped Terminal W1 (mm(in.)) 0.25 (0.0004) 1 (0.04) 0.5 (0.0008) 1 (0.04) 1.0 (0.0015) 1.5 (0.06) 1.5 (0.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix 5.1.3 Assembling Ethernet Cables Assembling the Shielded RJ45 Connector and Ethernet Cable Context Figure 5-15 shows the components of an RJ45 connector and a shielded Ethernet cable. Figure 5-15 Shielded RJ45 connector and cable A. Jacket of connector B. Metal shell of connector C. Wire holder of connector D. Plug of connector E. Jacket of Ethernet cable F. Shield layer of Ethernet cable G.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Step 2 Remove a 30 mm (1.18 in.) long section of the jacket, cut off the nylon twine inside the jacket, and cut a no more than 5 mm (0.20 in.) cleft in the jacket, as shown in Figure 5-17. When you remove a section of the jacket, do not damage the shield layer of the twisted-pair cable. When you remove the shield layer, do not damage the insulation of the twisted-pair cable.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-19 Removing the shield layer of a twisted-pair cable (unit: mm (in.)) 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-22 Four pairs of cables on a wire holder Figure 5-23 Connections between wires and pins White-Orange Orange White-Green Blue White-Blue Green White-Brown Brown Pin 8 Pin 1 Table 5-5 Connections between wires and pins (using a straight-through cable as an example) Matching Pins of Wires Wire Color 1 White-Orange 2 Orange 3 White-Green 4 Blue 5 White-Blue 6 Green 7 White-Brown 8 Brown Issue 01 (2016-04-15) Huaw
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Step 7 Cut off the surplus cables along the lower edge of the wire holder, as shown in Figure 5-24. Figure 5-24 Cutting off surplus cables Step 8 Put the connector body onto the wire holder and turn the metal shell by 90°, as shown in Figure 5-25. Ensure that the wire holder is in good contact with the connector body.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-26 Crimping the connector Step 10 Push the jacket towards the metal shell until the metal shell is covered. This completes the assembly of one end of the cable, as shown in Figure 5-27. Figure 5-27 Pushing the metal shell Step 11 To complete the assembly of the other end, repeat Step 1 through Step 10.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-28 Components of an unshielded RJ45 connector and cable A B C 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. When you remove the shield layer, do not damage the insulation of the twisted-pair cable. Figure 5-29 Removing the jacket of a twisted-pair cable (unit: mm (in.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-30 Connections between wires and pins (unit: mm (in.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Checking the Appearance of Contact Strips Context To ensure proper contact between the crimped wires and the wire conductors, the heights and sizes of the contact strips must be standard and the same. The contact strips must be parallel to each other, with an offset of less than ± 5°. The top margin of a strip must be parallel to the axis of the connector, with an offset of less than ± 10°.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-33 Contact strips of the same height Step 2 Hold an RJ45 connector and turn it 45°. Observe the top edges of the metal contact strips. Figure 5-34 shows an unqualified piece. Figure 5-34 Unparallel contact strips of different heights 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-36 Skewed plastic separators Step 5 Hold the connector with the side facing towards you, and check whether you can see the cross-sections of the wires. Ensure that the ends of the wires are in good contact with the edge of the RJ45, and that the contact strip blade extends beyond the ends of the wires and is crimped with the wires. If not, replace the connector. Figure 5-37 shows an unqualified piece.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix RJ45 Connector 1 RJ45 Connector 2 Core Wire Color 1 1 Orange-White 6 6 Green 3 3 Green-White 4 4 Blue 5 5 Blue-White 8 8 Brown 7 7 Brown-White Twisted or Not Twisted Twisted Twisted Crossover cables are connected in a crossover manner. They are used to connect terminals such as two computers or switches. Table 5-8 lists the connections of core wires in a crossover cable.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Procedure Step 1 Feed both connectors of the cable into the ports of the cable tester. Step 2 After the connectors are properly inserted, turn on the tester. If the indicators from 1 to G turn on simultaneously, you can infer that the pins work normally and the wires are correctly connected. Turn the switch to the S position to slow down lighting of the indicators so that you can see the indicators more clearly, as shown in Figure 5-39.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-40 Checking the reliability The procedure for testing a crossover cable is the same as that for testing a straight-through cable except for the sequence in which the indicators turn on, which depends on the wire connections of a crossover cable. The Ethernet cable is qualified if the indicators turn on in the following sequence: At the master (left) section of the tester, the indicators turn on in the sequence of 1-8-G.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix ----End 5.1.4 Installing Cable Accessories Precautions for Installing Cable Accessories Tools The illustrations in this document may differ from actual situations, but the installation methods are the same. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Requirements for Cable Routing To protect cables, remove the burrs in the cable through-holes or install protective rings in the holes. To ease the connection and to avoid stress, keep cable joints slack. After connecting multiple cables to a connector that has multiple interfaces, keep the cables slack to avoid generating stress. Bind or clean cables gently because cable distortion affects signal quality.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-43 Installing an OT terminal, showing the orientation of crimping sleeve b. Place the spring washer and flat washer in turn, mount a matching screw, and fasten it clockwise, as shown in Figure 5-44. Figure 5-44 Installing two terminals back to back Ensure that the OT terminal is not in contact with other terminals or metal components. c.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-45 Installed OT terminal Install two OT terminals on a post. Before you install two OT terminals on a post, ensure that the two terminals can be installed on the post and that the electrical connecting pieces have a large contact area. Two OT terminals can be installed using any of these methods: − Bend the upper OT terminal at a 45- or 90-degree angle, as shown in Figure 5-46.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-47 Crossing two terminals If the two terminals are different sizes, place the smaller one above the bigger one. A maximum of two terminals can be installed on a post. To remove an OT terminal, loosen the screw counterclockwise. ----End Installing the Cord End Terminal Procedure Step 1 Hold a cord end terminal upright and place it on a terminal jack, as shown in Figure 5-48.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-49 Feeding the terminal into the jack Ensure that the exposed section of the terminal is less than 2 mm (0.079 in.) in length. Do not press the insulation of the terminal. Insert only one terminal into one jack. Step 3 Move the cable slightly and ensure that it is securely connected. Step 4 Before you remove a cord end terminal, loosen the screw counterclockwise.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-51 Feeding the male shielded connector into the female shielded connector Step 3 When you hear a click, the cable connector is completely inserted in the port. (The clip on the cable connector pops up to fix the connector in the port.) Pull the connector slightly and ensure that it is securely connected, as shown in Figure 5-52.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-53 Removing a shielded Ethernet connector ----End Installing an Unshielded Ethernet Connector Procedure Step 1 Hold the male and female connectors, with the male connector facing the female connector, as shown in 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-55 Feeding the male connector into the female unshielded connector Step 3 A crisp click indicates that the connector is locked by the locking key. Pull the connector slightly and ensure that it is securely connected. Figure 5-56 shows an installed Ethernet connector.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-57 Removing an unshielded Ethernet connector ----End Installing Fiber Connectors Context After you remove the dustproof cap, ensure that the fiber pins are clean and install them as soon as possible. When you disassemble fiber connectors, you must use a dedicated tool if the connectors are densely installed.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-58 Aligning the male connector with the female connector Step 3 Align the male connector with the female connector and gently push the male connector until it is completely seated in the female connector, as shown in Figure 5-59. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-60 Fastening the locking nut Step 5 To disassemble an FC fiber connector, loosen the locking nut counterclockwise, and gently pull the male connector, as shown in Figure 5-61. Figure 5-61 Disassembling an FC fiber connector ----End Installing an LC Fiber Connector Procedure Step 1 Remove the dustproof cap of the LC fiber connector and store it for future use.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-62 Aligning the male connector with the female connector Step 3 Align the male connector with the fiber adapter and gently push the male connector until it is completely seated in the fiber connector, as shown in Figure 5-63. Figure 5-63 Feeding the male connector into the female connector Step 4 A clicking sound indicates that the male connector is locked, as shown in Figure 5-64.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-65 Disassembling an LC fiber connector ----End Installing the SC Fiber Connector Procedure Step 1 Remove the dustproof cap of the SC 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 5-66.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-67 Installed SC fiber connector Step 4 To disassemble an SC fiber connector, hold the shell of the connector (do not hold the fiber) and gently pull the connector in the direction vertical to the adapter. Unlock the male connector, and then separate it from the shell, as shown in Figure 5-68.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-69 Aligning the male connector with the female connector Step 3 Hold the shell labeled "PUSH" and feed the male connector into the female connector until you hear a clicking sound. The male and female connectors are securely installed, as shown in Figure 5-70.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-71 Disassembling an MPO fiber connector ----End 5.1.5 Replacing the Mold of the Crimping Tool Procedure Step 1 Hold the handles of a pair of COAX crimping tools. Loosen the two fastening screws counterclockwise, as shown in Figure 5-72. Figure 5-72 Loosening two fastening screws Step 2 Hold the handles of the COAX crimping tools to open the self-locking mechanism.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-73 Pliers jaw opening automatically Step 3 Remove the mold from the COAX crimping tools, as shown in Figure 5-74. 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-75 Installing a new mold in the COAX crimping tool Keep the short side of the mold inwards and the long side outwards, with the teeth of the mold aligning from the larger size to the smaller size. Step 5 Hold the handles of the COAX crimping tools tightly to match the mold and the jaw completely. Align the screw holes, as shown in Figure 5-76.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-77 Mold installed in the COAX crimping tool Figure 5-78 An installed mold ----End 5.2 Environmental Requirements for Device Operation 5.2.1 Environmental Requirements for an Equipment Room Requirements for Selecting a Site for an Equipment Room When designing a project, consider the communication network planning and technical requirements of the equipment.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix The specific requirements for selecting a site for an equipment room are as follows: The room should be located at a distance of at least 5 km (3.11 mi.) from heavy pollution sources such as smelting and coal mines. It should be located at a distance of at least 3.7 km (2.30 mi.) from moderate pollution sources such as chemical, rubber, and galvanization factories. It should be located at a distance of at least 2 km (1.24 mi.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-79 Layout of the equipment room Transmission room Control room Generator room Main communication equipment room Power distribution room Battery room Substation room Communication cable and optical cable Power cable The general layout principles of the equipment room are as follows: It should meet requirements for laying out and maintaining communication cables and power cables.
AP4050DN-HD Hardware Installation and Maintenance Guide Item 5 Appendix Requirements dustproof plastic tape. Use double-pane glass in the windows and seal them tightly. Wall surface treatment Paste wallpaper on the wall or apply flat paint. Do not use pulverized paint. Cable trays Use cable trays to arrange cables. The inner faces of the cable trays must be smooth.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Table 5-11 Requirements for dust particles in the equipment room Mechanical active material Unit Concentration Dust particle Particle /m3 ≤ 3x 104 (no visible dust accumulated on a workbench in three days) Suspending dust mg/m3 ≤0.2 Precipitable dust mg/m2·h ≤1.
AP4050DN-HD Hardware Installation and Maintenance Guide Place batteries in different rooms. A professional service should monitor the corrosive gas conditions regularly. 5 Appendix Requirements for ESD Prevention The absolute value of electrostatic voltage must be less than 1000 V. Take the following measures to meet this requirement: Train operators about ESD prevention. Keep the correct humidity level in the equipment room to reduce the impact of static electricity.
AP4050DN-HD Hardware Installation and Maintenance Guide Item Requirements surge protector Grounding for DC power distribution Equipotential connection General requirements for grounding Grounding resistance Routing of signal cable Issue 01 (2016-04-15) 5 Appendix protector with the nominal discharge current of no less than 20 kA.
AP4050DN-HD Hardware Installation and Maintenance Guide Item 5 Appendix Requirements devices. Collective ground cable Use a ground ring or ground bar for the collective ground cable. Do not use aluminum cables as ground cables. Adopt measures to prevent electrification corrosion when connecting different metal parts together. Use a copper busbar as the collective ground cable with a cross-sectional area of no less than 120 mm2 (0.19 in.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix 5.2.2 Requirements for Power Supply Requirements for AC Power Supply An AC power supply system consists of power mains, uninterruptible power supplies (UPSs), and self-supplied electric generators. In addition to meeting the requirements of the server load, the AC power supply must have a simple connection line, safe operation, flexible scheduling, and easy maintenance.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix If the voltage of the power mains that supply power directly to devices exceeds the rated voltage by -10% to 5%, or exceeds the voltage range that devices can support, a voltage regulating device or voltage stabilizing device is required.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Item Requirements Dynamic response The recovery time is less than 200 ms. The overshoot is in the range of the integral value of the DC output voltage ±5%. Recommendations for DC Power Supply The following are recommendations for the DC power supply. Use distributed power supply mode. Use multiple DC power supply systems and put power equipment in multiple locations.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix 5.3.2 Grounding Specifications for an Equipment Room The grounding resistance of a comprehensive communication building should be less than or equal to one ohm. The grounding resistance of an ordinary communication office should be less than five ohms. The grounding resistance in an area where the earth resistance rate is high should be less than 10 ohms. 5.3.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Table 5-18 Grounding specifications for communication power supplies No. Description 1 The inlet for the AC power cable at the equipment room should be equipped with a surge protection device (C-level) with a nominal discharge current no less than 20 kA. 2 The protective ground for the power supply and that for communication equipment share the same grounding conductor.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Table 5-20 Specifications for laying out ground cables No. Description 1 The grounding wire should not run parallel to or twist around the signal cable. 2 Bury ground underground or arrange them indoors. Do not route ground cables overhead. 3 Do not connect two cables together to extend the PGND cable, or add any switches or fuses. 4 The PGND cable should be an alternating yellow and green plastic insulated one with a copper core.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Type and Structure Label for Signal Cables The label for signal cables is L-shaped with fixed dimensions, as shown in Figure 5-81. Figure 5-81 Label for signal cables To specify more clearly the position of a cable, use the dividing lines on the label. For example, there is a dividing line between the cabinet number and the chassis number, and another one between the chassis number and the slot number.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-82 Power cable label Label Printing 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.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix You can modify the contents of the template. Do not change settings of centered characters, direction, and fonts. If many characters need to be filled in, decrease the font size, but make sure that the printouts are clear and legible. Merging Cells in the Template To merge two or more cells, do as follows: 1. Select Edit/Select All. 2. Select Format/Borders and Shading/Borders. Select Box tab and click OK. 3.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Requirements for Feeding the Printer The label paper consists of two layers and has undergone multiple processing procedures such as printing and cutting. No matter what model of printer you use, feed in the labels one page at a time. To avoid jamming the labels, never use the auto-feed mode. Feed in the label paper in the correct direction to ensure that the text is printed in a correct position.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Placement of text on a label is shown in Figure 5-84. Figure 5-84 Placement of text on a label Attaching Labels After printing or writing the label, remove the label from the page and attach it to the signal cable, or the identification plate of the power cable. The methods for attaching labels are described in the following sections. Label for Signal Cables Choose the place to attach labels. The label is attached 2 cm (0.79 in.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-86 Label for signal cables Power Cable Label Remove the label from the backing page, and attach it to the identification plate on the cable tie. The label should be attached to the rectangular flute on the identification plate, and attached to only one side of the identification plate. The cable ties are bundled at 2 cm (0.79 in.) from the connectors, and other positions are allowed in special circumstances.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-87 Binding the label for the power cable Contents of Engineering Labels Contents of Labels for Power Cables Labels for power cables are affixed on only one side of the identification plates. On the labels, there is information (the part after the word "TO:") about the location of the device on the other end of the cable, like the location of control cabinet, distribution box or power socket.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix In other words, the information in Area 1 at one end is the same as the information in Area 2 at the other end of the cable. Precautions for Using Engineering Labels When using labels, pay attention to the following points: When printing, writing, or attaching labels, keep the labels clean. Since the label paper is made of moistureproof material, ink-jet printers and ink pens cannot be used to print and write labels.
AP4050DN-HD Hardware Installation and Maintenance Guide Content 5 Appendix Meaning Example R: Receiving interface - T: optical transmitting interface Example of the Label Figure 5-89 shows a sample label on an optical fiber. Figure 5-89 Sample label on an optical fiber between two devices 05 01 01 01 R TO: G01 01 01 A01 T The meaning of the label is listed in Figure 5-89.
AP4050DN-HD Hardware Installation and Maintenance Guide Content 5 Appendix Meaning Example interface number. with the port sequence number on the device. R: Optical receiving interface - T: optical transmitting interface ODF-MN-BC-R/T MN: row number and column number of an ODF M: The cabinet rows from front to back are numbered from A to Z. N: The cabinet columns from left to right are numbered from 01 to 99. For example, G01 is the ODF of row G and column 01.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix "A01-01-05-01-R" indicates that the opposite end of the optical fiber is connected to optical receiving interface 1 in slot 05, chassis 01 in the cabinet in row A, column 01 in the machine room. 5.4.3 Engineering Labels for Network Cables Applicable Ranges The labels can be applied to Ethernet cables. Label Content Table 5-24 shows the information on both sides of the labels affixed to Ethernet cables.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix For a network cable connecting a hub and an agent or terminal, the label on the agent or terminal end should contain the serial number of the network interface. The definitions of the cabinet number and chassis number are the same as those described in Table 5-24. If the hub is a standalone device without a cabinet or chassis, the label should contain specific location information that identifies the hub.
AP4050DN-HD Hardware Installation and Maintenance Guide Content Meaning 5 Appendix Example left-right order. For example, 01. MDF-MN-B-C MN: row number and column number of the MDF M: The rows of cabinets from front to back are numbered from A to Z. N: The columns of cabinets from left to right are numbered from 01 to 99. For example, G01 is the MDF of Row G and Column 01. B: row number of the terminal device Ranges from 01 to 99, for example, 01-01.
AP4050DN-HD Hardware Installation and Maintenance Guide Content Meaning MN(BC)-B--48V n MN(BC): BC is written right under MN. MN(BC)-B-BGN D MN(BC)-B-PGN D 5 Appendix B: chassis number, numbered in bottom-up order with two digits, for example, 01. N: power socket number, numbered as 1 to 3 in the bottom-up and left-to-right orders. On the loaded cabinet side, only MN is used to identify the cabinet.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix PGND and BGND are two copper bars, on which the terminal blocks are short-circuited. Therefore, it makes no difference which terminal is connected to them. It is only necessary to give the row and column of the power distribution box, instead of giving the specific serial number of the terminal block on the copper bar.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-94 Labels for AC power cables Meaning of the label in Figure 5-94. On the equipment cabinet side, the label marked "A01-AC1" indicates that the power cable is connected to the first AC power socket of row A and column 01 in the equipment room.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Measures to Prevent a Loosened Optical Module 1. When installing an optical module, insert it in position. If you hear a click or feel a slight shake, it indicates that the latch boss is secured. If the latch boss is not secured, the gold finger of the optical module is not in good contact with the connector on the board.
AP4050DN-HD Hardware Installation and Maintenance Guide 2. 5 Appendix Cover an unused optical module with a protective cap to prevent dust, as shown in Figure 5-97. Figure 5-97 Installing a protective cap If no protective cap is available, use fibers to protect the optical module, as shown in Figure 5-98. Figure 5-98 Using fibers to protect an optical module 3.
AP4050DN-HD Hardware Installation and Maintenance Guide 5 Appendix Figure 5-100 Cleaning a receptacle with a cotton swab When cleaning a receptacle, insert the cotton swab and turn it slowly in the receptacle. Do not use too much strength because the receptacle may be damaged. 5. If optical signals are lost during the operation of a device, use the preceding method to clean the receptacle or the optical connector. In this manner, the possibility of contamination can be excluded.
AP4050DN-HD Hardware Installation and Maintenance Guide BOM Code Product Description 5 Appendix Bar Code* Fault Occurring Date* Description of the Fault Phenomena* Category No.* Software Version* Reasons for Repairing (Category No.): Category No.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt PoE power supply Applic able Scope Check Item dent AC screws tightly fixed. 3 Indepen dent AC Four rubber pads are attached to specified positions on the bottom of the AC before it is placed on a desk. 4 Indepen dent AC The AC is secured in the cabinet or rack by rack-mounting brackets or guide rails (or trays), and floating nuts are correctly secured.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt No. Applic able Scope Check Item 2 General The devices are installed correctly, securely, without damages or paint peeling. Screws are tightened. General Leave at least 20 cm space at the cable outlet and top (convex) of the AP to facilitate commissioning, maintenance, and heat dissipation. APs that dissipate heat from the rear must be fixed using mounting brackets in wall mounting scenarios.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt No. Applic able Scope 5 Appendix Check Item observation. Signal cable 13 General Record AP installation positions, MAC addresses, interfaces of uplink PoE switches, and IP addresses (APs use fixed IP addresses) into a table. 14 Indoor AP The devices required during indoor AP installation, such as the splitter, coupler, and antennas are operated in accordance with specifications.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt No. Applic able Scope 5 Appendix Check Item redundant cable ties and remove burrs from them to avoid injuries. The cables shall be fixed using fasteners or ageing-resistant outdoor metal binding straps. 8 General Keep the signal cables away from heat sources and use heat insulation materials to insulate the cables from the heat sources.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt Applic able Scope Check Item Outdoor AP All outdoor connectors or feeder cable connectors are properly sealed to prevent water. Wrap the cable using one-layer PVC insulation tape, three-layer waterproof tape, and then three-layer PVC insulation tape. The tape shall be attached evenly and neatly. The network cables shall be covered with waterproof PG tubes.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt No. Applic able Scope 5 Appendix Check Item The pole used in antenna mounting should meet the following requirements: Pole height: ≥ 2000 mm 7 Outdoor antenna Bottom pole diameter: ≥ 220 mm Top pole diameter: ≥ 120 mm Pole thickness: ≥ 6 mm Depth of foundation: ≥ 1500 mm The pole deployed outdoors must be reinforced with hot-dip zinc to prevent water corrosion and rust.
AP4050DN-HD Hardware Installation and Maintenance Guide Com pone nt No. Applic able Scope 5 Appendix Check Item cables are fixed on a sharp mechanical part, take protection measures. Optica l modul e 7 General The equipotential cables between the attaching cabinets shall be securely connected. 8 General The lugs for the power cables and ground cables are soldered or crimped securely.
