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AP4050DN-HD
Hardware Installation and Maintenance Guide

2 AP Installation

Issue 01 (2016-04-15)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

14



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.

Remove a ceiling tile, determine locations of mounting holes based on the distance
between two installation holes on the mounting bracket, use a hammer drill to drill holes
on the ceiling tile, and fix the mounting bracket to the ceiling tile.
The screws provided for ceiling-mounting of APs are 30 mm long and can be used to fix
an AP on a ceiling not thicker than 15 mm. To install APs on thicker ceilings, you need to
purchase longer screws.

1. Ceiling tile

2. Adjustable buckle

3. M4x30 screw

2.

Connect the cables. For details, see 2.6 Cable Connection.

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Summary of Contents for AP4050DN

Page 1: ...AP4050DN HD Hardware Installation and Maintenance Guide Issue 01 Date 2016 04 15 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...e 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 without warranties guarantees or representations of any kind either express or implied The information in this document is subject...

Page 3: ... may be found in this document are defined as follows Symbol Description Indicates an imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury Indicates a po...

Page 4: ...fidential Copyright Huawei Technologies Co Ltd iii Symbol 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 ...

Page 5: ...5 1 Installing the Device on a Wall 10 2 5 2 Installing the Device on a Ceiling 14 2 5 3 Installing the device on a T rail 17 2 5 4 Installing the Device on a Pole 18 2 6 Cable Connection 20 2 7 Connecting the Security Lock 21 2 8 Checking the Device After Installation 22 2 9 Powering on the AP 23 3 Logging In to the Device 24 3 1 Logging In to the Device Using STelnet Telnet 24 3 2 Logging In to ...

Page 6: ...ecifications 82 5 3 2 Grounding Specifications for an Equipment Room 83 5 3 3 Grounding Specifications for Devices 83 5 3 4 Grounding Specifications for Communications Power Supply 83 5 3 5 Grounding Specifications for Signal Cables 84 5 3 6 Specifications for Laying Out Grounding Cables 84 5 4 Engineering Labels for Cables 85 5 4 1 Introduction to Labels 85 5 4 2 Engineering Labels for Optical Fi...

Page 7: ...iscovery 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 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: ...ment 3 GE1 PoE_OU T 10 100 1000M port connects to the wired Ethernet and supports PoE output 4 GE0 PoE_IN 10 100 1000M port connects to the wired Ethernet The port can connect to a PoE power supply to provide power for the AP 5 DC 12V DC power socket connects a 12 V power adapter to the AP 6 Security slot Connects to a security lock Connects to a power supply The AP supports the following power su...

Page 9: ...he 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 Until the software is uploaded and started the indicator remains steady green Running status Green Blinking once every 2s 0 5 Hz The system is running properly the Ethernet connection is normal and STAs are associated...

Page 10: ...ed and started the AP requests to go online on the AC and maintains this state until it goes online successfully on the AC before the CAPWAP link is established The AP fails to go online on the AC the CAPWAP link disconnects Fault Red Steady on A fault that affects services has occurred such as a DRAM detection failure or system software loading failure The fault cannot be automatically rectified ...

Page 11: ...wer consumption depends on local laws and regulations Environment specifications Operating temperature 60 m to 1800 m 10 C to 50 C 1800 m to 5000 m Temperature decreases by 1 C every time the altitude increases 300 m Storage temperature 40 C to 70 C Operating humidity 5 to 95 non condensing IP rating IP41 Atmospheric pressure 53kPa to 106kPa 1 4 Ordering Information To place an order contact techn...

Page 12: ...ty Lock 2 8 Checking the Device After Installation 2 9 Powering on the AP 2 1 Preparing for Installation This section describes safety precautions and tool preparations for AP installation Safety Precautions Take proper measures to prevent injuries and device damage Place the device in a dry and flat position away from any liquid and prevent the device from slipping Keep the device clean Do not pu...

Page 13: ...i Technologies Co Ltd 7 Tool Preparation To install APs prepare tools listed in Table 2 1 Table 2 1 Tools Phillips screwdriver Protective gloves ESD gloves 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 ...

Page 14: ...pment 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 If any item is missing contact the supplier or agent Usually the packing list contains the following items AP device Indoor fixed sh...

Page 15: ...wall or ceiling using sheet metal mounting brackets The installation position is determined by the site survey There must be at least 200 mm clearance between the cabling end of the AP and the wall Figure 2 2 shows space requirements Figure 2 2 Mounting an AP When determining the AP installation position comply with the following rules Try to reduce the number of obstacles such as walls between th...

Page 16: ...nnas should be placed at least 2 m from the 4G antennas of the carrier The antennas should be placed far away from electronic devices that may produce interference such as microwave ovens If antennas are embedded into APs the deployment distance requirements on the antennas are those on APs 2 5 Installing the AP Remove the protective film on the surface before installation to prevent electrostatic...

Page 17: ... 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 Align the mounting screws at the rear of the AP with the mounting holes on the sheet metal mounting bracket an...

Page 18: ...Ltd 12 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 ...

Page 19: ...t 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 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 7 Loosen the two screws at the horizontal direction adjust the AP s...

Page 20: ... adjustable mounting bracket Indoor Fixed Mounting Bracket 1 Remove a ceiling tile determine locations of mounting holes based on the distance between two installation holes on the mounting bracket use a hammer drill to drill holes on the ceiling tile and fix the mounting bracket to the ceiling tile The screws provided for ceiling mounting of APs are 30 mm long and can be used to fix an AP on a ce...

Page 21: ...n the distance between two installation holes on the mounting bracket Use a hammer drill to drill holes on the ceiling tile and fasten a base bracket with the ceiling tile with a tightening torque of 3 N m The screws provided for ceiling mounting of APs are 30 mm long and can be used to fix an AP on a ceiling no thicker than 15 mm To install APs on thicker ceilings you need to purchase longer scre...

Page 22: ... 16 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 ...

Page 23: ...izontal 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 Remove two ceiling tiles around the T rail use screws to fix the adjustable buckle to the mounting bracket hook the adjustable buckle to the T rail and secure the screw on the adjustable buckle to fasten the mounting bracket and T rail 2 Connect the cables For det...

Page 24: ...lling the Device on a Pole The pole must have a diameter of 48 mm to 114 mm and a thickness of at least 2 5 mm The AP can be installed on a pole using an angle adjustable mounting bracket with it angle adjustable within 60 at the vertical and horizontal directions 1 Determine the AP installation position and attach a base bracket on the pole using the hose clamp a Use an M6 inner hex torque screwd...

Page 25: ...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 ...

Page 26: ...ions 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 Cable or Device Description 1 Network cable CAT5E cables or higher must be used The service network cable cannot be connected to the console...

Page 27: ... the AP may be damaged The AP is powered by either the DC power supply or PoE power supply that backs up each other Pay attention to the following points when bundling the cables Different types of cables must be separately routed with the minimum spacing of 30 mm and cannot be entangled or crossed Cables should be parallel or separated using dedicated separators Bundled cables are closely arrange...

Page 28: ...m 1 The device is installed by strictly following the design draft The installation position meets space requirements with maintenance space reserved 2 The device is securely installed 3 The power cables are intact and not spliced 4 Terminals of the power cables are welded or cramped firmly 5 All power cables are not short circuited or reversely connected and must be intact with no damage 6 The po...

Page 29: ...5 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 23 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 ...

Page 30: ...ce is enabled on the device Telnet has security vulnerabilities You are not advised to enable the Telnet service Before logging in to the device complete the following tasks Power on the device Prepare network cables used to connect device interfaces The following table lists the default configuration of the device You are advised to change the default user name and password on your first login Ta...

Page 31: ...e logging in to the device complete the following tasks Power on the device Prepare a console cable Prepare terminal simulation software If your PC s operating system provides terminal simulation software like HyperTerminal in Windows 2000 XP you do not need to install additional terminal simulation software If the PC runs on an operating system without terminal simulation software like Windows 7 ...

Page 32: ...auses 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 The power supply unit has failed If the device connects to an external power source its power adapter may fail If the device has a built in power supply the device itself may be faulty PoE power supply The power sourcing equipment does not suppo...

Page 33: ...ower adapter is faulty Contact technical support personnel or Huawei agent and ask them to replace the power adapter 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 PoE power supply 1 Check whether the power sourcing equipment supports PoE or is faulty 2 Check whether the configuration on ...

Page 34: ...isibly dirty clean it before assembly If the jacket or insulation of a cable has visible damage irreparable scuffing or other defects do not use the cable If the shield layer of a cable is damaged do not use the cable If the cable jacket or insulation cracks after the cable is bent or twisted discard this cable and check whether other cables have the same problem If other cables have the same prob...

Page 35: ... insulation core conductors and other jackets that do not need to be stripped After assembling cables cut all visible cross sections of jackets to ensure that the cross sections are arranged neatly Do not touch the core conductors of cables with your hands Terminate exposed conductors in a timely way after stripping off insulation so that the surface of the conductors does not become oxidized Take...

Page 36: ... 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 Figure 5 2 Stripping a power cable OT terminal ...

Page 37: ...m in Cross Sectional Area of Conductor mm2 in 2 Value of L1 mm in 1 0 002 7 0 28 10 0 015 11 0 43 1 5 0 002 7 0 28 16 0 025 13 0 51 2 5 0 004 7 0 28 25 0 039 14 0 55 4 0 006 8 0 31 35 0 054 16 0 63 6 0 009 9 0 35 50 0 077 16 0 63 If you are proficient in assembling OT terminals and power cables you can obtain the value of L1 by comparing the part to be crimped with the power cable Step 2 Put the h...

Page 38: ...conductor as shown in Figure 5 4 The shapes of crimped parts may vary with the crimping dies Figure 5 4 Crimping the joint parts of the bare crimping terminal and the conductor OT terminal 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 Figure 5 5 Heating the heat shrink tubing OT termi...

Page 39: ...e 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 The recommended values of L are listed in ...

Page 40: ...d 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 0 054 16 0 63 50 0 077 16 0 63 Step 2 Put the heat shrink tubing onto the bare crimping terminal as shown in Figure...

Page 41: ...8 Step 4 Crimp the joint parts of the bare crimping terminal and the conductor as shown in Figure 5 9 Figure 5 9 Crimping the joint parts of the bare crimping terminal and the conductor JG terminal 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 Figure 5 10 Heating the heat shrink tubing...

Page 42: ...e 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 Figure 5 12 Stripping a power cable cord end terminal Table 5 3 Mapping between the cross sectional area of the conductor and the value of L1 Cross Secti...

Page 43: ...5 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 02 Step 2 Put the cord end terminal onto the conductor and ensure that the conductor is aligned with the edge of the cord end terminal as shown in 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 Figure 5...

Page 44: ...th 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 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 ...

Page 45: ... 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 Twisted pair wires Procedure Step 1 Fit the jacket of the connector onto the Ethernet cable as shown in Figure 5 16 Fi...

Page 46: ... you remove the shield layer do not damage the insulation of the twisted pair cable 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 Figure 5 18 Fitting the metal shell onto the twisted pair cable Step 4 Fit the metal shell onto the twisted pair cable unti...

Page 47: ...ires 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 C G Figure 5 21 Cable locations in a wire holder White Green Green White Orange Orange Blue White Blue White Brown Brown Step 6 Align the four pairs of cables in the holder as shown in Figure 5 22 The connectio...

Page 48: ...ur pairs of cables on a wire holder Figure 5 23 Connections between wires and pins Brown White Brown Green White Blue Blue White Green Orange White Orange 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 ...

Page 49: ...igure 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 Figure 5 25 Putting the connector body onto the wire holder Step 9 Push the metal shell toward the connector body until the wire holder and the connector body are engaged co...

Page 50: ...ush 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 End Assembling an Unshielded RJ45 Connector and Ethernet Cable Context Figure 5 28 shows the components of an unshielded RJ45 connector ...

Page 51: ...f 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 Step 2 Align the four pairs of wires and cut the ends neatly as shown in Figure 5 30 The connections between the...

Page 52: ...nnections 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 Step 3 Feed the cable into the plug and crimp the connector as shown in Figure 5 31 When inserting the cable check from the side or bore of the plug to ensure that the cable is completely seated in th...

Page 53: ... contact strips must be clean The contact strips must be in good contact with the RJ45 socket The plastic separators must remain intact and be aligned The contact strip blade must extend beyond the ends of the wires The ends of the wires must be in contact with the edge of the RJ45 The distance between them must be less than 0 5 mm 0 02 in Procedure Step 1 Hold the crimped connector with the front...

Page 54: ...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 Figure 5 35 Dirt on a contract strip Step 4 Check whether the contact strips and the plastic separators are well aligned and intact If ...

Page 55: ... and is crimped with the wires 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 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 termin...

Page 56: ...ossover 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 Table 5 8 Connections of core wires in a straight crossover cable RJ45 Connector 1 RJ45 Connector 2 Core Wire Color Twisted or Not 6 2 Orange Twisted 3 1 Orange White 2 6 Green Twisted 1 3 Green White 4 4 Blue Twi...

Page 57: ...r 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 Figure 5 39 Testing the conduction and connections of wires Step 3 Gently shake the connector and repeat Step 2 to chec...

Page 58: ...pends 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 At the slave right section of the tester the indicators turn on in the sequence of 3 6 1 4 5 2 7 8 G If the indicators do not come on in this sequence the Ethernet cable is unq...

Page 59: ...Fiber R 40 mm 1 57 in Bending angle 90 The letter d indicates the diameter of a cable or fiber Precautions for Installation Hold terminals of cables instead of pulling the cables themselves when installing or removing cable components Do not insert a connector forcibly when the connector is blocked Use a dedicated tool to pull out the connector Install the connector again after you check that the ...

Page 60: ...ting stress Bind or clean cables gently because cable distortion affects signal quality Keep cables away from moveable components such as doors Sharp objects must not touch cable wiring to prevent damage to cables To protect power cables route power cables of the active and standby power modules separately Installing Power Adapters Installing the OT Terminal Procedure Install an OT terminal a Alig...

Page 61: ...minal 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 Move the cable slightly and ensure that it is securely connected as shown in Figure 5 45 ...

Page 62: ...st 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 Cross the two terminals as shown in Figure 5 47 Figure 5 46 Bending the upper OT term...

Page 63: ...s 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 To ensure bump contact and dense connection place the plain side of the terminal outwards Figure 5 48 Placing a terminal on a terminal jack vertically Step 2 Insert the ...

Page 64: ...al 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 End Installing Ethernet Adapters Installing a Shielded Ethernet Connector Procedure Step 1 Hold the male and female connectors with the male connector facing the female connector as shown in Figure 5 50 Figu...

Page 65: ...hielded 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 Figure 5 52 Installed shielded Ethernet connector Step 4 To remove an Ethernet connector press the locking key and pull out the conn...

Page 66: ...ure 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 ...

Page 67: ...or 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 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 5...

Page 68: ...ber connectors you must use a dedicated tool if the connectors are densely installed Cleaning Fiber Connectors Procedure Step 1 Clean the pins of a fiber connector by using lint free cotton and alcohol Step 2 Clean the pins again by using dust free cotton If necessary clean the pins by using an air gun Ensure that the pins are free from any fiber or debris End Installing an FC Fiber Connector Proc...

Page 69: ...ale 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 ...

Page 70: ...assemble 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 Step 2 Align the core pin of the male connector with that of the female connector as show...

Page 71: ...dapter 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 Figure 5 64 Installed LC connector Step 5 To disassemble an LC fiber connector press the locking nut to release the locking ...

Page 72: ...future use Step 2 Align the core pin of the male connector with that of the female connector as shown in Figure 5 66 Figure 5 66 Aligning the male connector with the female connector Step 3 Feed the fiber connector into the female connector with your fingers holding the shell of the fiber connector not the pigtail When you hear a click the fiber connector is secured by the clips internal parts not...

Page 73: ...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 Figure 5 68 Disassembling an SC fiber connector End Installing an MPO Connector Procedure 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 m...

Page 74: ...ector 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 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 ...

Page 75: ...nnector 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 The jaw of the COAX crimping tools opens automatically as shown in Figure...

Page 76: ...uawei Technologies Co Ltd 70 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 ...

Page 77: ...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 Figure 5 76 Aligning the screw holes Step 6 Hold the handles of the COAX crimping tools with one hand Tighten the two fastening screws clockwise Figure 5 ...

Page 78: ...gical seismic power supply and transportation factors Construction structure heating and ventilation power supply lighting and fire proof construction of the equipment room should be designed by specialized construction designers to suit the environmental requirements of devices The equipment room should also follow local regulations concerning the industrial construction environmental protection ...

Page 79: ...t suitable for wet conditions must be used The doors and windows of the equipment room must be kept closed to maintain an airtight room Using steel doors to ensure sound insulation is recommended No cracks or openings are allowed on the walls or floors The outlet holes on the walls or windows must be sealed Walls must be constructed such that they are smooth wear resistant dustproof flame retardan...

Page 80: ...tem Requirements Area The smallest area of the equipment room can accommodate the equipment with the largest capacity Net height The minimum height of the equipment room should not be less than 3 m 9 84 ft The minimum height of the equipment room is the net height below overhead beams or ventilation pipes Floor The floor in the equipment room should be semi conductive and dustproof A raised floor ...

Page 81: ...not place a fire hydrant in the equipment room but place it in the corridor or near the staircase Internal partition wall Separate the area where the equipment is installed from the equipment room door The partition wall can block some outside dust Installation position of the air conditioner Install air conditioner vents so that the air does not blow directly on equipment Other requirements Avoid...

Page 82: ...uction Use screens on the door and windows facing outside The outer windows should be dust proof Clean the equipment room regularly and clean the air filter monthly Wear shoe covers and ESD clothing before entering the equipment room Requirements for Corrosive Gases The room should be free from dusts and corrosive gases such as SO2 H2S and NH3 Table 5 12 lists the requirements for the corrosive ga...

Page 83: ...ing inductive coupling electromagnetic wave radiation and common impedance including grounding system coupling Prevent the interference using these approaches Take effective measures against electrical interference from the power supply system Do not use the working ground of the equipment as the same ground for surge protection Separate them as far as possible Keep the equipment far away from hig...

Page 84: ...ase station transmission switching equipment power supply equipment and cable distribution frame Connect all PGND cables to the collective protective ground bar Connect all PGND cables in one equipment room to one protective ground bar Apply joint grounding to the working ground and protective ground of devices which means the two share one grounding network The cable tray rack or shell metal vent...

Page 85: ...surge protector socket can be connected to the ground The resistance between the device ground terminals and ground bar cannot exceed 0 1 ohm The cabinet can be grounded using the protecting earthing PE wire of the electrical network in the building zinc coated angle steel or the main steel bar of the building If the cabinet is grounded using the PE wire of the electrical network use a multimeter ...

Page 86: ...uld be considered Ensure that independent AC power supplies protect independent devices Configure the current carrying capacity of the protection switch of the equipment room for more than that of the devices Table 5 14 lists the voltage range of the AC power supply for the devices Table 5 14 Voltage range of AC power supply Item Requirements AC power capacity to support the devices 10 to 5 of the...

Page 87: ...ower and a backup inverter is required Requirements for DC Power Supply The equipment room should receive stable and reliable DC power Deploy the power equipment near the telecommunications equipment to make the DC feeder as short as possible To reduce power consumption and installation cost the loop voltage drop from the battery port to the equipment port should be less than 3 2 V A large scale e...

Page 88: ...ery charging If there are 10 or fewer active rectifier modules configure one backup module If there are more than 10 active modules configure one backup module for every 10 active modules Install storage batteries in two or more groups The capacity is determined by the duration for which the storage batteries must supply power For most offices the batteries should be able to supply power for at le...

Page 89: ...cross sectional area greater than 25 sq mm 0 039 sq in 3 There are grounding terminals and grounding lugs at the lower part of the front door rear door and side panel of the cabinet connected to the grounding terminals of the cabinet framework through connection cables with cross sectional area of no less than 1 6 sq mm 0 002 sq in 4 Ensure that all metal components of the cabinet conduct well No ...

Page 90: ... and equipment are in the same equipment room use the same protection ground bar for them if possible 6 Add surge protection on the DC power interface 5 3 5 Grounding Specifications for Signal Cables Table 5 19 lists the grounding specifications for signal cables Table 5 19 Grounding specifications for signal cables No Description 1 Equip the cable outdoors with a metal jacket well grounded at bot...

Page 91: ...GND cable should be as short as possible with a length of no more than 45 m 147 64 ft 5 4 Engineering Labels for Cables An engineering label serves as an identifier for on site installation and maintenance after the installation Labels on the cables facilitate correct and orderly connection of cables and easy maintenance after installation Engineering labels are specialized for power cables and si...

Page 92: ...the chassis number and the slot number Each dividing line is light blue Pantone 656c and 1 5 mm x 0 6 mm 0 06 in x 0 02 in The cut dotted line helps to fold the label when affixed to the cable and its size is 1 mm x 2 mm 0 04 in x 0 08 in The word TO upside down in the figure at the lower right corner of the label is used to identify the opposite end of the cable on which the label is affixed Powe...

Page 93: ...d 87 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 Follow these instructions to use the template ...

Page 94: ...inary paper with both sides blank Place the blank paper over the whole page of the label paper and check whether the page setup conforms to the label layout 2 Make sure the printer properties such as paper size and direction have been set correctly If the printout conforms to the sheet of labels print the labels on the label paper If the printout does not conform adjust the page setup and try prin...

Page 95: ... and the word TO should not be covered by printed characters When the cells are merged and the printouts are made in multiple lines avoid covering the word TO when printing the text Use the space bar to move the text to the next line Writing Labels Writing Tools To make sure the printouts are clear and legible use black markers instead of ball point pens to write the labels If no marker is availab...

Page 96: ...llowing sections Label for Signal Cables Choose the place to attach labels The label is attached 2 cm 0 79 in from the connector on a signal cable In special cases for example to avoid cable bending or affecting other cables other positions are allowed to attach the labels The rectangular part with text is attached facing right or downward as shown in Figure 5 85 The details are as follows The ide...

Page 97: ... 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 Cable ties should be bound on both ends of a cable After the bundling the finished identification plate should be on top of the cable in horizontal cabling or on the right side of the cable in vertical cabling as shown in Figure 5 87 ...

Page 98: ...for Signal Cables The two sides of the label affixed on the signal cable carry information about the location of the ports connected to both ends of the cable Figure 5 88 shows the information on both sides of the labels affixed to the signal cables Area 1 contains the location information of the local end of the cable Area 2 with the word TO contains the location information of the opposite end o...

Page 99: ...Engineering Labels for Optical Fibers These labels are affixed to the optical fibers that connect the optical interfaces on the boards in a chassis or on the device boxes There are two types of labels for optical cables One is for the fiber that connects the optical interfaces on two devices The other is for the fiber that connects the device and the ODF Labels for the Optical Fibers Connecting De...

Page 100: ...m G01 01 01 01 T indicates that the opposite end of the optical fiber is connected with optical transmitting interface 01 in slot 01 chassis 01 in the cabinet in row G column 01 in the machine room Labels for the Optical Fibers Connecting the Device and an ODF Meaning of the Labels Table 5 23 shows information on both sides of labels attached to an optical fiber between a device and an optical dis...

Page 101: ...to right are numbered from 01 to 99 For example G01 is the ODF of row G and column 01 B row number of the terminal device Range from 01 to 99 for example 01 01 C column number of the terminal device R Optical receiving interface T optical transmitting interface Example of the Label Figure 5 90 shows a sample label on an optical fiber Figure 5 90 Sample label on an optical fiber between the device ...

Page 102: ... number Numbered with two digits in top down and left right order For example 01 D network port number Numbered in top down and left right orders For example 01 MN Z MN cabinet number For example B02 is the second cabinet in row B Z Location number Fill in the location number of the terminal device on site If the cable is connected to a device in a cabinet specify the serial numbers of the cabinet...

Page 103: ...03 01 01 B02 03 01 Meaning of the label in Figure 5 91 A01 03 01 01 indicates that one end of the network cable is connected to network interface 01 in slot 01 chassis 03 of the cabinet in row A column 01 in the equipment room B02 03 01 indicates that another end of the network cable is connected to network interface 01 in chassis 03 of the cabinet on row B column 02 in the equipment room No slot ...

Page 104: ...er cable A01 TO 03 01 01 MDF G01 01 01 The meaning of the label in Figure 5 92 is as follows A01 03 01 01 indicates that the local end of the user cable is connected to port 1 in slot 1 chassis 03 of the cabinet in row A column 01 in the equipment room MDF G01 01 01 indicates that the opposite end of the user cable is connected to the terminal in row 01 column 01 of the MDF in row G column 01 in t...

Page 105: ...osite equipment the control cabinet or the distribution box Table 5 26 lists the information on two 48 V power supplies on the label The information on other DC voltages such as 24 V and 60 V should be given in similar methods Make sure that labels are affixed in the correct direction That is after the cable ties are bundled onto the cable the identification plates with the labels should face up a...

Page 106: ...eed to contain only the word AC and the cabinet numbers The labels for AC power cables are affixed to one side of the identification plates on cable ties For details see Table 5 27 Table 5 27 Label content Content Meaning MN B ACn MN serial number of the cabinet or the socket where the power is led in B chassis number numbered in bottom up order with two digits for example 01 n power port number n...

Page 107: ...ertified optical module 1 An optical module is not completely installed in position If the optical module is not completely installed in position and the latch boss is not secured the device cannot identify the optical module After the optical module works for a long time it will be ejected under external stress 2 The optical receptacle on an optical module is contaminated If an optical module is ...

Page 108: ...e optical module make sure that the release handle is closed At this time the latch boss locks the optical module After the optical module is inserted try pulling it out to see if it is installed in position If the optical module cannot be pulled out it is secured Figure 5 95 State of the release handle Close the release handle Open the release handle Measures to Prevent Receptacle Contamination 1...

Page 109: ...in Figure 5 98 Figure 5 98 Using fibers to protect an optical module 3 Cover unused optical connectors with protective caps as shown in Figure 5 99 and then lay out fibers on the fiber rack or coil them in a fiber management tray to prevent fibers from being squeezed Figure 5 99 Installing a protective cap on a fiber 4 If a receptacle or an optical connector has not been used for a long time and i...

Page 110: ...ain reflectometer OTDR to test the connectivity or the attenuation of optical signals disconnect the optical fibers from the optical module Otherwise the optical module will be burnt 2 When performing a self loop test use an optical attenuator Do not loosen the optical connector instead of the optical attenuator Precautions 1 The optical connector should be vertically inserted in the receptacle to...

Page 111: ...tch replace F007 Overdue spare parts inspecting F008 Others F011 Running circumstance change Note For optical interface cards returned the optical interfaces should be covered with protection caps In general the analysis card will not be returned to you If you have any special requirements please contact Huawei One Fault Tag should be adapted in one return category such as RMA Return Analysis The ...

Page 112: ... APs are provided at the cable connection points PoE power supply 1 General The proper PoE switch or power adapter is selected meeting AP power supply and onsite environment requirements 2 General To ensure that the PoE power meets requirements the PoE power supply device and APs must be connected through CAT5E and CAT6E network cables and the cable length cannot exceed 100 m 3 General Labels must...

Page 113: ...ceiling the APs must be fixed using the matching mounting brackets The APs cannot be hung in the air or placed directly on the ceiling When the APs are mounted to a wall the bottom of the APs should be at least 30 mm from the ground The APs should be installed in places out of reach of people 8 Outdoor AP When two or more APs are installed in the same area they must be installed in the same vertic...

Page 114: ... an AP is mounted to a pole the distance between the AP and the top of pole should be at least 30 cm Signal cable 1 General Routes of signal cables comply with the engineering design document The signal cables are correctly connected to facilitate maintenance and capacity expansion 2 General Radio ports of an AP are correctly connected to radio ports A B C of antennas 3 General Signal cable connec...

Page 115: ...ective tubes are bundled and processed to prevent cutting The optical fiber cannot be folded or twisted and the pigtail cannot be squeezed The binding diameter of an optical fiber must be larger than 6 cm The pigtail connection points must be clean and dustless Fiber connectors and optical ports that are not used must be protected with protective caps or plugs Cleaning must be carried out in stric...

Page 116: ...he places where the outdoor APs are installed The outdoor APs antennas and signal cables are deployed within 45 degree protection area of a lightning rod 20 Outdoor AP The bare wires of network and feeder cables should be covered by the winding pipes flexible metal conduit PVC pipes or galvanization pipes The cable outlet and inlet are sealed to prevent dusts Anten na 1 General The installation po...

Page 117: ...gle polarized antennas the horizontal distance between 2 4G antennas should be at least 1 m and that between 5G antennas should be at least 0 5 m 10 Outdoor antenna If multiple APs are mounted to different poles the APs should provide signal coverage in the same direction or in back to back mode to ensure that main lobe of antennas on different APs do not face each other Recommended AP distance 44...

Page 118: ...copper wire Flat washers and spring washers are installed correctly 10 General Labels are filled and attached to power cables and ground cables correctly 11 General Power cables deployed outdoors must be covered by PVC tubes Optica l modul e 1 General A single mode fiber can only be used with a single mode optical module while a multimode optical fiber can only be used with a multimode optical mod...

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