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R240D
Hardware Installation and Maintenance Guide

5 Appendix

Issue 03 (2016-01-26)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

101

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.

3

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. Ensure that there is a certain space between the
APs and wall to facilitate heat dissipation.

4

General

APs with built-in antennas should be installed in open areas
and there should be no obvious obstruction in the coverage
direction of the main lobe. The main lobe of built-in antennas
faces the top (convex).

5

General

The APs and antennas are neatly installed, without affecting
the overall layout of the environment.

6

Indoor
AP

Indoor APs are placed far away from windows and in dry
environments with little dust and good ventilation. There
should be no inflammable materials in rooms. The indoor
temperature and humidity must be within acceptable ranges.

7

Indoor
AP

When being mounted to a 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 vertical or horizontal line with
certain spacing greater than 15 mm.

9

General

Dustproof, waterproof, and anti-theft measures are taken and
the devices are kept clean. The APs are secured using the
security locks (separately purchased) based on onsite
situations and customer requirements. If APs are placed in a
network box, ensure that the box is well-ventilated, clean,
and dustless, and the ventilation holes are not blocked.

10

Indoor
AP

Indoor APs should be mounted on walls with network ports
downwards to prevent device damages caused by water drops
or other liquid. Install the device 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.

11

Outdoor
AP

When an outdoor AP is installed against a wall or pole, keep
the indicator downwards for easy observation.

12

General

Use waterproof labels to mark the registration names of APs
on the AC, as well as their channels and IP addresses. The
lables should be attached to the front of the APs for easy

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Содержание R240D

Страница 1: ...R240D Hardware Installation and Maintenance Guide Issue 03 Date 2016 01 26 HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ... Huawei and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommendations in this document are provided AS IS without warranties guarantees or representations of any kind either express or implied The information in this docum...

Страница 3: ...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 potenti...

Страница 4: ...between document issues are cumulative The latest document issue contains all changes made in previous issues Issue 03 2016 01 26 This version has the following updates Added the installation scenarios using sheet metal mounting brackets 2 5 2 Installing the Device into Other Junction Boxes 2 5 3 Installing the Device on a Wall or Ceiling Issue 02 2015 12 12 This version has the following updates ...

Страница 5: ... 86 Type Box 9 2 5 2 Installing the Device into Other Junction Boxes 11 2 5 3 Installing the Device on a Wall or Ceiling 14 2 6 Cable Connection 16 2 7 Checking the Device After Installation 18 2 8 Powering on the Device 18 3 Logging In to the Device 19 3 1 Logging In to the Device Using STelnet Telnet 19 4 Hardware Failures 21 4 1 A Device Fails to Be Powered On 21 5 Appendix 23 5 1 On site Cable...

Страница 6: ...ding Specifications for Devices 77 5 3 4 Grounding Specifications for Communications Power Supply 77 5 3 5 Grounding Specifications for Signal Cables 78 5 3 6 Specifications for Laying Out Grounding Cables 78 5 4 Engineering Labels for Cables 79 5 4 1 Introduction to Labels 79 5 4 2 Engineering Labels for Optical Fibers 87 5 4 3 Engineering Labels for Network Cables 90 5 4 4 Engineering Labels for...

Страница 7: ...d 1 1 Product Overview 1 1 Device Structure Figure 1 1 shows the appearance of the R240D Figure 1 1 Appearance of the R240D Table 1 1 describes interfaces on the R240D Table 1 1 Interfaces on the R240D No Name Description 1 Phone Phone interface connects to a traditional PSTN 2 GE PoE 10 100 1000 Mbit s interface used to connect to the central AP and supports ...

Страница 8: ...aces are ETH0 ETH1 ETH2 and ETH3 from left to right 4 Phone Phone interface connects to a POTS phone or modem device 5 Default Reset button restores factory settings and restarts the device if you hold down the button more than 3 seconds 6 DC 12 V The device supports the PoE power supply and DC power supply To connect the device to a DC power source use the power adapter delivered with the device ...

Страница 9: ...olor 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 Until the software is uploaded and started the indicator remains steady green Running status Green Blinking once eve...

Страница 10: ... and started the AP working in Fit AP mode 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 registration fails the CAPWAP link is disconnected 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 automatic...

Страница 11: ...nsumption 8 7 W NOTE The actual maximum power consumption depends on local laws and regulations Environment specifications Operating temperature and altitude 60 m to 1800 m 0 C to 40 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 Ingress Protection Rating IP20 Atmospheric pressure 70...

Страница 12: ...ent 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 put the device and tools in the aisles Only the qualified personnel are permitted to install and remove the device and its accessories Before installation and operation read the safety precautions carefully Tool Preparation To install APs...

Страница 13: ...2 Installation Flowchart The following figure shows the process 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 Usually the packing list contains the following items Remote Radio Unit Screws ...

Страница 14: ...lammable or explosive materials and interference sources such as a large radar station radio station and transformer station Install the device 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 Place the AP far away from electronic devices that may produce radio interference suc...

Страница 15: ...between antennas The antennas 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 Device The device should be isolated from strong electricity to ...

Страница 16: ...rface 3 Install the device that has cables properly connected to the 86 type box as shown in the following figure It is recommended that the length of the cable in the 86 type box should be smaller than 130 mm You are advised to connect cables according to the figure 4 Align the screw holes at the right and left of the device with the screw holes on the box and secure the device on the box with a ...

Страница 17: ...alling the device into a junction box excluding an 86 type box requires sheet metal mounting brackets delivered with screws which need to be purchased separately The procedure is as follows 1 Determine locations of mounting holes on the sheet metal mounting bracket based on the distance between screw holes on the junction box In the following example the screw holes on the junction box are 83 5 mm...

Страница 18: ...ologies Co Ltd 12 2 Use screws to fix the mounting bracket to the junction box Ensure that the UP arrowhead points upwards If the screw holes on the junction box do not match the M4 screws customers need to prepare the fastening screws by themselves 3 Connect the network cable to the GE PoE interface and the telephone line to the phone interface ...

Страница 19: ...awei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 13 4 Open the front panel of the device align the the screw holes at the right and left of the AP with the screw holes on the mounting bracket and secure theAP on the mounting bracket with machine screws 5 Close the panel ...

Страница 20: ... procedure is as follows 1 Determine the target area on a wall or ceiling attach the sheet metal mounting bracket against the wall and mark positions of the mounting holes with a marker 2 Drill holes at the marked positions and install the plastic expansion tubes a Use a 6 mm drill bit to drill holes at the marked positions b Hammer the plastic expansion tubes into the holes 3 Use the flat washer ...

Страница 21: ...ght Huawei Technologies Co Ltd 15 4 Connect the network cable to the GE PoE interface and the telephone line to the phone interface 5 Open the front panel of the device align the the screw holes at the right and left of the AP with the screw holes on the mounting bracket and secure theAP on the mounting bracket with machine screws ...

Страница 22: ...lation and Maintenance Guide 2 AP Installation Issue 03 2016 01 26 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 16 6 Close the panel 2 6 Cable Connection Figure 2 3 shows interfaces of the R240D ...

Страница 23: ...e 2 3 Cable connections No Cable Description 1 Phone cable Connects the uplink phone interface to the traditional PSTN 2 Ethernet cable Connects the Ethernet interface to the upstream PSE Ethernet interface CAT5E cables or higher must be used 3 Ethernet cable Connects the Ethernet interface to the terminal CAT5 cables or higher must be used 4 Phone cable Connects the downstream phone interface to ...

Страница 24: ... 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 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 ...

Страница 25: ...ice 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 Table 3 1 Default configuration of the device Parameter Default Setting User name admin Password admin huawei com IP address 169 254 1 1 Subnet mask 255 255 0 0 If the device is already online on the AC you can remotely log in to the AC o...

Страница 26: ... Co Ltd 20 If the device uses the default settings the IP address of the PC must be in the network segment 169 254 0 0 16 but cannot be 169 254 1 1 169 254 1 100 is recommended Step 3 Start the CLI on the PC and access the IP address 169 254 1 1 of the device using STelnet V2 Step 4 Enter the user name and password as prompted to log in to the user interface End ...

Страница 27: ... 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 support the PoE function or is faulty The power sourcing equipment is incorrectly configured the PoE function is disabled ...

Страница 28: ...ical support 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 Huawei technical support 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 the power sourcing equipment causes PoE power sup...

Страница 29: ... replace these cables Checking the Appearance of Connectors Do not use connectors with visible defects damage rust or scuffing Do not use connectors if their shells or pins have exposed part or uneven plating or their pins are lost broken or bent Do not use connectors that have dirt on their pins or in their jacks or if there are conductors between pins or between pins and the shell Precautions fo...

Страница 30: ...ing cables or connectors The terminals and conductors should be connected tightly after they are crimped They should not be moved or turned Cut all the exposed copper wires Try to avoid a second crimping of sleeves Keep all the conductors clean and aligned The connectors cables and tools provided by different vendors may be different The figures in this document are for your reference only 5 1 2 A...

Страница 31: ...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 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 assembli...

Страница 32: ...wn in Figure 5 3 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 Figure 5 4 Crimping the joint parts of the bare crimping terminal and the conduct...

Страница 33: ...shrink tubing too long as this may damage the insulation coating 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 e...

Страница 34: ...e 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 0 054 16 0 63 50 0 077 16 0 63 Step 2 Put the heat shrink tubing onto the bare cr...

Страница 35: ...onductor 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 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 ...

Страница 36: ...End Terminal and the Power Cable Context Figure 5 11 shows the components of a cord end terminal and a power cable 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 recommende...

Страница 37: ...oss 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 02 Step 2 Put the cord end terminal onto the conductor and ensure that the conductor is aligned with the edge of t...

Страница 38: ...n Figure 5 14 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 0...

Страница 39: ...d 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 Twisted pai...

Страница 40: ...f 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 Figure 5 17 Removing the jacket of a twisted pair cable unit mm in Step 3 Fit the metal shell onto ...

Страница 41: ...ely Along the edge of the metal shell cut off the aluminum foil shield layer and ensure that there is no surplus copper wire The exposed twisted pair cable is about 20 mm 0 79 in long as shown in Figure 5 19 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...

Страница 42: ...Co Ltd 36 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 connections between the wires and the pins are shown in Figure 5 23 and listed in Table 5 5 Figure 5 22 Four pairs of cables on a wire holder ...

Страница 43: ... 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 Step 7 Cut off the surplus cables along the lower edge of the wire holder as shown in Figure 5 24 ...

Страница 44: ...ctor 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 completely Crimp the connector as shown in Figure 5 26 Figure 5 26 Crimp...

Страница 45: ...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 and cable Figure 5 28 Components of an unshielded RJ45 connector and cable A B C A Plug of connector B Jacket C Twisted pair wi...

Страница 46: ...ut the ends neatly as shown in Figure 5 30 The connections between the wires and the pins are listed in Table 5 6 Figure 5 30 Connections between wires and pins unit mm in C 16 White Orange White Green Orange Blue White Blue Green White Brown Brown Pin 8 Pin 1 Table 5 6 Connections between wires and pins using a straight through cable as an example Matching Pins of Wires Wire Color 1 White Orange ...

Страница 47: ... top margin of a strip must be parallel to the axis of the connector with an offset of less than 10 To ensure conductivity the surface of the 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 wi...

Страница 48: ...e 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 unqua...

Страница 49: ... it with a new RJ45 connector Figure 5 36 shows an unqualified piece 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 th...

Страница 50: ...core wires in a straight through cable RJ45 Connector 1 RJ45 Connector 2 Core Wire Color Twisted or Not 2 2 Orange Twisted 1 1 Orange White 6 6 Green Twisted 3 3 Green White 4 4 Blue Twisted 5 5 Blue White 8 8 Brown Twisted 7 7 Brown White 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 cor...

Страница 51: ...ed 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 Figure 5 39 Testing the conduction and connections of wires Step 3 Gently shake the connector and r...

Страница 52: ...ds 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 unqual...

Страница 53: ...er 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 pin...

Страница 54: ...g 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 Align t...

Страница 55: ...al 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 ...

Страница 56: ...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 termina...

Страница 57: ...an 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 ter...

Страница 58: ...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 Figure ...

Страница 59: ...lded 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 connect...

Страница 60: ... 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 ...

Страница 61: ...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 57 ...

Страница 62: ... 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 Procedu...

Страница 63: ... 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 ...

Страница 64: ...emble 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 shown i...

Страница 65: ...ter 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 cli...

Страница 66: ...ure 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 il...

Страница 67: ...nector 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 male...

Страница 68: ...or 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 ...

Страница 69: ...ctor 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 5 ...

Страница 70: ...ei Technologies Co Ltd 64 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 ...

Страница 71: ... 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 77 ...

Страница 72: ...al 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 fir...

Страница 73: ...uitable 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 retardant s...

Страница 74: ... 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 wit...

Страница 75: ... 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 th...

Страница 76: ...ion 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 gas c...

Страница 77: ... 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 high p...

Страница 78: ... 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 ventila...

Страница 79: ...ge 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 to ...

Страница 80: ... 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 ofAC power supply Item Requirements AC power capacity to support the devices 10 to 5 of the rat...

Страница 81: ...r 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 ente...

Страница 82: ... 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 least...

Страница 83: ...ss 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 ins...

Страница 84: ...d 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 both e...

Страница 85: ... 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 signa...

Страница 86: ... 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 Power C...

Страница 87: ...1 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 ...

Страница 88: ...ry 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 printin...

Страница 89: ...d 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 available ...

Страница 90: ...wing 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 identi...

Страница 91: ... 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 The...

Страница 92: ... 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 of t...

Страница 93: ...ineering 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 Devic...

Страница 94: ...01 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 distri...

Страница 95: ...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 and...

Страница 96: ...mber 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 th...

Страница 97: ...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 num...

Страница 98: ...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 the ...

Страница 99: ...te 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 and ...

Страница 100: ... 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 numb...

Страница 101: ...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 ...

Страница 102: ...tical 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 Cle...

Страница 103: ...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 is n...

Страница 104: ... 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 av...

Страница 105: ...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 item...

Страница 106: ...s 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 be...

Страница 107: ...ling 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 vertical ...

Страница 108: ... 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 connector...

Страница 109: ...ive 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 strict a...

Страница 110: ...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 posit...

Страница 111: ... 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 m ...

Страница 112: ...per 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 module...

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