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Huawei AP4030DN
Hardware Installation and Maintenance Guide

5 Appendix

Issue 02 (2015-05-18)

Huawei Proprietary and Confidential

Figure 5-45

Installed OT terminal



Install two OT terminals on a post.

Before you install two OT terminals on a post, ensure that the two terminals can be installed
on the post and that the electrical connecting pieces have a large contact area. Two OT
terminals can be installed using any of these methods:

−

Bend the upper OT terminal at a 45- or 90-degree angle, as shown in

Figure 5-46

−

Cross the two terminals, as shown in

Figure 5-47

Figure 5-46

Bending the upper OT terminal at a 45- or 90-degree angle

Summary of Contents for AP4030DN

Page 1: ...Huawei AP4030DN Hardware Installation and Maintenance Guide Issue 02 Date 2015 05 18 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ...ei 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 document i...

Page 3: ... Wall Mounting 9 2 5 2 Ceiling Mounting 11 2 5 3 T rail Mounting 12 2 6 Connecting Cables 13 2 7 Installing the Security Lock 14 2 8 Checking the AP After Installation 15 2 9 Powering on the AP 15 3 Logging In to the AP 17 3 1 Logging In to the AP Through the Console Port 17 3 2 Logging In to the AP Using STelnet 18 3 3 Logging In to the AP Using a Web Client 19 4 Hardware Failures 21 4 1 A Device...

Page 4: ...cations 76 5 3 2 Grounding Specifications for an Equipment Room 77 5 3 3 Grounding 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 ...

Page 5: ...erview 1 1 Device Structure Figure 1 1 show the appearance of AP4030DN Figure 1 1 Appearance ofAP4030DN Table 1 1 describes interfaces on AP4030DN Table 1 1 Interfaces onAP4030DN No Name Description 1 GE PoE 10 100 1000M bit s interface connects to the wired Ethernet The interface can connect to a PoE power supply to provide power for the AP 2 DC 12V DC power socket connects ...

Page 6: ... maintenance terminal for AP configuration and management 5 Default Reset button restores factory settings if you hold down the button more than 3s 1 2 Indicator Description AP4030DN provide only a single indicator as shown in Figure 1 2 The actual indicator color may vary according to temperature After an AP is powered on you can run the led off command on the AC to turn off all AP indicators To ...

Page 7: ...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 with the AP The system enters the Uboot CLI Blinking once every 5s 0 2 Hz The system is running properly the Ethernet connection is normal and no STA is associated with th...

Page 8: ...cannot be automatically rectified and must be rectified manually 1 3 Basic Specifications Table 1 3 Basic specifications of theAP4030DN Item Description Technical specifications Dimensions H x W x D 39 5mm x 180mm x 180mm Weight 0 4kg System memory 256MB DDR2 32MB Flash Power specifications Power input DC 12V 10 PoE power 48 V DC in compliance with IEEE 802 3af at Maximum power consumption 10 2W N...

Page 9: ...g humidity 5 to 95 non condensing Ingress Protection Rating IP41 Atmospheric pressure 70kPa to 106kPa 1 4 Ordering Information To place an order contact the Huawei local office Part Number Description 50082641 Broadband Network Terminal AP4030DN 2 RJ45 11ac 2 2 Double Frequency 50082642 Broadband Network Terminal AP4030DN DC 2 RJ45 11ac 2 2 Double Frequency 50082643 Broadband Network Terminal AP40...

Page 10: ... 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 pr...

Page 11: ...rietary and Confidential Copyright Huawei Technologies Co Ltd 7 Diagonal pliers RJ45 crimping tool Wire stripper Network cable tester Multimeter Inner hexagon wrench M6 Ladder Adjustable wrench Rubber mallet ESD gloves Level 2 2 Installation Flowchart The following figure shows the process for installing an AP ...

Page 12: ...ting bracket to a T rail Fix the wall mounting bracket against the wall Fix the wall mounting bracket against the ceiling To a T rail Against the ceiling Against the wall 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 Usuall...

Page 13: ...aking or dripping water heavy dew and humidity and take protective measures to prevent water from flowing into the equipment along the cable Indoor APs are usually mounted on a wall or ceiling using sheet metal mounting brackets The installation position is determined by the site survey Leave at least 200 mm of clearance around the device Figure 2 2 shows dimensions of the AP4030DN Figure 2 2 Dime...

Page 14: ...n the drilling positions Hammer the expansion tubes into the holes until the expansion tubes are completely embedded into the wall 3 Fix the mounting bracket to the wall and use the Phillips screwdriver to fasten three expansion screws into the expansion tubes 4 Align the mounting screws at the rear of the AP with the mounting holes on the sheet metal mounting bracket and then press the AP downwar...

Page 15: ... 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 1 Ceiling tile 2 Adjustable buckle 3 M4x30 screw 2 Hang the AP on the mounting holes by aligning the mounting screws at the rear of the AP with the mounting holes on the bracket and push the ...

Page 16: ...s correctly installed on the mounting bracket and there must be 200 mm space above and around the AP for maintenance 2 5 3 T rail Mounting 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 1 T rail 2 Adjustable b...

Page 17: ... adjustable buckle with a screw you need to adjust the buckle to a proper position based on the T rail width Ensure that the AP is correctly installed on the mounting bracket and there must be 200 mm space above and around the AP for maintenance 2 6 Connecting Cables Figure 2 3 show the appearance of AP4030DN Figure 2 3 Appearance ofAP4030DN Table 2 2 Cable connections No Cable Description ...

Page 18: ... supply To connect the AP to a DC power source use the power adapter delivered with the AP otherwise the AP maybe damaged When PoE and power adapter power supplies are available the devices are preferentially powered by the PoE Pay attention to the following points when installing network cables Before connecting an Ethernet cable to the AP use the cable test tool to check whether the cable is qua...

Page 19: ...ments with maintenance space reserved 2 The AP is securely installed 3 The power cables and PGND cables are intact and not spliced 4 Terminals of the power cables and PGND cables are welded or cramped firmly 5 All power cables or PGND cables are not short circuited or reversely connected and must be intact with no damage 6 The power cables and ground cables are separated from other cables and bund...

Page 20: ... AP4030DN Hardware Installation and Maintenance Guide 2 AP Installation Issue 02 2015 05 18 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 16 Do not frequently power on and off an AP ...

Page 21: ...n 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 install third party terminal simulation software on the PC by referring to user manual or online help 2 Start the terminal simulation software create a connection select a serial port and set co...

Page 22: ...ess and subnet mask The IP address must be on the network segment 169 254 0 0 16 but cannot be 169 254 1 1 169 254 1 100 is recommended The subnet mask is 255 255 0 0 Ensuring that the IP address 169 254 1 1 and subnet mask 255 255 0 0 have been configured on VLANIF 1 of the device before the delivery and GE0 0 0 has been added to VLAN 1 by default Before the device is delivered the STelnet servic...

Page 23: ...e prompt and press Enter You have logged in to the device The following information is only for reference login as admin Sent username admin admin 169 254 1 1 s password Huawei It is recommended that you change the initial user name and password after login 3 3 Logging In to the AP Using a Web Client Pre configuration Tasks Before configuring users to log in to the AP using HTTP complete the follo...

Page 24: ...owser on the PC and visit http 169 254 1 1 to log in to the web management system You can only log in to the FAT AP using the web platform Procedure Step 1 Open a web browser on a PC and enter the management address in the format of http 169 254 1 1 in the address bar Ensure that the PC and AC can communicate with each other Then press Enter Set the language user name and password The HTTPS login ...

Page 25: ...itch on the device is turned 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 support the PoE function or is faulty The power sourcing equipment is i...

Page 26: ...ct Huawei technical 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 cause...

Page 27: ...me problem 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 Prec...

Page 28: ...nnecting 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 only for your reference 5 ...

Page 29: ...le 5 1 Mapping between the cross sectional area of the conductor and the value of L1 Cross Section al Area of Conductor mm2 in 2 Value of L1 mm in Cross Sectional Area of Conductor mm2 in 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 ass...

Page 30: ... shown 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 con...

Page 31: ...ng the shrink tubing when the connector is securely locked in the shrink tubing Do not heat the shrink tubing too long to 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 tube C Insulation layer of a power ca...

Page 32: ...of L are listed in Table 5 2 When you strip a power cable do not damage the conductor of the cable If the bare crimping terminal is not provided by Huawei you can adjust the value of L as required Figure 5 7 Stripping a power cable JG terminal Table 5 2 Mapping between the cross sectional area of the conductor and the value of L Cross Sectional Area of Conductor mm2 in 2 Value of L mm in 16 0 025 ...

Page 33: ...ed conductor and ensure that the bare crimping terminal is in good contact with the insulation of the power cable as shown in Figure 5 8 Step 4 Crimp the joint parts of the bare crimping terminal and the conductor as shown in Figure 5 9 Figure 5 9 Crimping the joint parts of the bare crimping terminal and the conductor JG terminal Step 5 Push the heat shrink tubing towards the connector until the ...

Page 34: ...d 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 Based on the cross sectional area of the cable conductor strip a part of the insulation The L1 long conductor is exposed as shown in F...

Page 35: ... Cross Section al Area of Conductor mm2 in 2 Value of L1 mm in Cross Sectional Area of Conductor mm2 in 2 Value of L1 mm in 1 0 002 8 0 31 10 0 015 15 0 59 1 5 0 002 10 0 39 16 0 025 15 0 59 2 5 0 004 10 0 39 25 0 039 18 0 71 4 0 006 12 0 47 35 0 054 19 0 75 6 0 009 14 0 55 50 0 077 26 1 02 Step 2 Putting the cord end terminal onto the conductor and ensure that the conductor is aligned with the ed...

Page 36: ...n in 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 ...

Page 37: ...39 End 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 Twiste...

Page 38: ... off the nylon twine inside the jacket and cut a no more than 5 mm 0 20 in cleft in the jacket as shown in Figure 5 17 When you remove a section of the jacket do not damage the shield layer of the twisted pair cable When you remove the shield layer do not damage the insulation of the twisted pair cable Figure 5 17 Removing the jacket of a twisted pair cable unit mm in Step 3 Fit the metal shell on...

Page 39: ...shield layer is covered completely 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 Based on the colors lead the four pairs of twisted pair wires through the wire ho...

Page 40: ...gies 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 ...

Page 41: ...s 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 Step 7 Cut off the surplus cables along the lower edge of the wire holder as shown in Figure ...

Page 42: ...e 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 Put the connector body onto the wire holder Step 9 Push the metal shell towards 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 C...

Page 43: ...e 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 and cable Figure 5 28 Components of an unshielded RJ45 connector and cable A B C A Plug of connector B Jacket C Twisted pa...

Page 44: ...and cut the ends neatly as shown in Figure 5 30 The connections between the wires and the pins are listed in Table 5 6 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 Or...

Page 45: ... 5 The top margin of a strip must be parallel to the axis of the connector with an offset less than 10 To ensure conduction 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 w...

Page 46: ...Figure 5 33 Contact strips of the same height Step 2 Hold an RJ45 connector and turn it 45 Observe the top edges of the metal contact strips Figure 5 34 shows an unqualified piece Figure 5 34 Unparallel contact strips of different heights Step 3 Check whether the contact strips are clean If they are not clean and the dirt cannot be removed replace it with a new RJ45 connector Figure 5 35 shows an ...

Page 47: ...place it with a new RJ45 connector Figure 5 36 shows an unqualified piece Figure 5 36 Skew 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...

Page 48: ...s of 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 o...

Page 49: ...inserted turn on the tester If the indicators from 1 to G turn on simultaneously you can infer that the pins work normally and the wires are correctly connected Turn the switch to the S position to slow down lighting of the indicators so that you can see the indicators more clearly as shown in Figure 5 39 Figure 5 39 Testing the conduction and connections of wires Step 3 Gently shake the connector...

Page 50: ...ors turn on You need to refer to 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 Otherwise the Ethernet cable is unqualified If a te...

Page 51: ...m 1 57 in Bending angle 90 The letter d indicates the diameter of a cable or fiber Precautions for Installation Hold the terminals of cables instead of pulling the cables when installing or removing the cable components Do not insert a connector forcibly when the connector is blocked Pull out the connector by using a dedicated tool Install the connector again after you check that the pins are inse...

Page 52: ...ration Bind or clean cables gently because cable distortion affects signal quality Keep cables away from moveable components such as doors Sharp objects must not be touched in cable wiring to ensure that cables are not damaged To protect power cables power cables of the active and standby power modules are laid separately Installing Power Adapters Installing the OT Terminal Procedure Install an OT...

Page 53: ...erminal showing the orientation of crimping sleeve 2 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 3 Move the cable slightly and ensure that it is securely connected as shown in Figure 5 45 ...

Page 54: ...post Before you install two OT terminals on a post ensure that the two terminals can be installed on the post and that the electrical connecting pieces have a large contact area Two OT terminals can be installed using any of these methods Bend the upper OT terminal at a 45 or 90 degree angle as shown in Figure 5 46 Cross the two terminals as shown in Figure 5 47 Figure 5 46 Bending the upper OT te...

Page 55: ...n a post To remove an OT terminal loosen the screw in the counterclockwise direction 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...

Page 56: ...not press the insulation of the terminal Insert only one terminal into one jack Step 3 Move the cable slightly and ensure that it is securely connected Step 4 Before you remove a cord end terminal loosen the screw in the counterclockwise direction End Installing Ethernet Adapters Installing a Shielded Ethernet Connector Procedure Step 1 Hold the male and female connectors with the male connector f...

Page 57: ...he male shielded connector into the female shielded connector Step 3 When you hear a click the cable connector is completely inserted in the port The clip on the cable connector pops up to fix the connector in the port Pull the connector slightly and ensure that it is securely connected as shown in Figure 5 52 Figure 5 52 Installed shielded Ethernet connector Step 4 To remove an Ethernet connector...

Page 58: ...igure 5 53 Removing an 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 59: ...ctor 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...

Page 60: ...fiber 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 Pr...

Page 61: ...nector 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 in the clockwise direction and ensure that the connector is securely installed as shown in Figure 5 6...

Page 62: ...isassemble 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 sh...

Page 63: ... adapter and gently push the male connector until it is completely seated in the fiber connector as shown in Figure 5 63 Figure 5 63 Feeding the male connector into the female connector Step 4 A clicking sound indicates that the male connector is locked as shown in Figure 5 64 Figure 5 64 Installed LC connector Step 5 To disassemble an LC fiber connector press the locking nut to release the lockin...

Page 64: ...r 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 n...

Page 65: ...e 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...

Page 66: ...nnector 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 7...

Page 67: ... End 5 1 5 Replacing the Mold of the Crimping Pliers Procedure Step 1 Hold the handles of a pair of COAX crimping tools Loosen the two fastening screws in the counterclockwise direction 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 sho...

Page 68: ...uawei Technologies Co Ltd 64 Figure 5 73 Pliers jaw opening automatically Step 3 Remove the mould from the COAX crimping tools as shown in Figure 5 74 Figure 5 74 Removing the mould from the COAX crimping tools Step 4 Place the mould to be installed into the jaw of the COAX crimping tools and align the screw holes as shown in Figure 5 75 ...

Page 69: ...g side outwards with the teeth of the mould aligning from the larger size to the smaller size Step 5 Hold the handles of the COAX crimping tools tightly to match the mould 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 in the clockwise directi...

Page 70: ...geological seismic power supply and transportation factors Construction structure heating and ventilation power supply lighting and fire fighting 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 fire ...

Page 71: ... and produce the effect of flame retardant sound insulation heat absorption dust decrease and electromagnetic shielding The air vent of the room should be far from the exhaust of city waste pipes big cesspools and sewage treatment tanks The room should be in the positive pressure state to prevent corrosive gases from entering the equipment room and corroding components and circuit boards The room ...

Page 72: ... 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...

Page 73: ...o 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 Avo...

Page 74: ...truction 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 clothes 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 shows the requirements for the corrosive g...

Page 75: ...t problems with capacitive coupling 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...

Page 76: ...room such as mobile base station transmission switching equipment power supply equipment and cable distribution frame properly Connect all PGND cables to the collective protection ground bar Connect all PGND cables in one equipment room to one protection ground bar Apply joint grounding to the working ground and protection ground of devices which means the two share one grounding network The cable...

Page 77: ...d bar or surge protector socket is connected to the ground The resistance tested using a multimeter 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 main steel bar of the building If the cabinet is grounded using the PE wire of the electrica...

Page 78: ...d 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 shows 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 ra...

Page 79: ...m power 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 scal...

Page 80: ...tery 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 l...

Page 81: ...pper core with 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 no less than 1 6 sq mm 0 002 sq in 4 Ensure that all metal components of the cabinet cond...

Page 82: ...uipment 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 Grounding specifications for signal cables are shown in Table 5 19 Table 5 19 Grounding specifications for signal cables No Description 1 Equip the cable outdoors with a metal jacket well grounded at both en...

Page 83: ...hould not exceed 45 m 147 64 ft The PGND cable should be as short as possible 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 Specialized for power cables and signal cables the types of engine...

Page 84: ...umber and the slot number The dividing line is 1 5 mm x 0 6 mm 0 06 in x 0 02 in with the color of Pantone 656c light blue 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 There is a mark TO upside down in the figure at the lower right corner of the label The mark is used to identify the opposite end of the cable on which the label...

Page 85: ...gure 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 Use a template to print labels You can obtain the template from the Huawei local office The templates are made in Microsoft Word and the following requirements should be met ...

Page 86: ... the label set up the page and try printing 1 Try printing on ordinary paper with both sides blank Place the blank paper over the whole page of 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...

Page 87: ...nted characters When the cells are merged and the printouts are made in multiple lines avoid covering the mark TO when printing the texts 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 the black markers instead of ball point pens to write the labels In special cases black ball pens are allowed although not recom...

Page 88: ...d in the following 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 rectangle part with characters is attached facing right or downward as shown in Figure 5 85 The details are as ...

Page 89: ...ed 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 8...

Page 90: ...s 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 mark TO contains the location information of the opposite end...

Page 91: ...point of the engineering person who works on the label 5 4 2 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 d...

Page 92: ... 01 T indicates that the opposite end of the optical fiber is connected with Optical Transmitting Interface 01 on Slot 01 Chassis 01 in the cabinet on 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 the information on both sides of the labels attached to the optical fiber that connects the device and the ODF ...

Page 93: ...d 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 the label on the cable Figure 5 90 Example of the label on the optical fiber between the device and the ODF ODF R TO G0...

Page 94: ...ered with two digits in top down and left right order For example 01 D network port number Numbered in the 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 the serial numbers of the cabinet the chassis and...

Page 95: ...s A01 TO 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 of slot 01 chassis 03 of the cabinet on 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 chassis 03 of the cabinet on row B column 02 in the equipment room No...

Page 96: ...01 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 of on slot 1 chassis 03 of the cabinet on 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 on row 01 column 01 of the MDF in row G column 01 in the equipment room 5 4 5 Eng...

Page 97: ...ntrol 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 correction direction That is after the cable ties are bundled onto the cable the identification plates with the labels should face up and the text on the ...

Page 98: ... 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 the bottom up order with two digits for example 01 n power port number num...

Page 99: ... 2 The optical receptacle on an optical module is contaminated If an optical module is not cleaned or protected properly contaminants may accumulate on the fiber pin in the optical module As a result the coupling efficiency is reduced optical signals are cut off or even worse the surface of the fiber pin is damaged permanently 3 An optical module is burnt If large power optical signals caused by t...

Page 100: ...le 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 Cleaning tissues must be prepared on site You need to clean the optical connector before inserting it in the receptacle This protects the receptacle against the contamination on the surface of the optical connector Figure 5 96...

Page 101: ...tect 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 not covered with a protective cap you need t...

Page 102: ...omain 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 ...

Page 103: ...amaged In warranty Period Out of warranty period F002 Deployment damaged F003 Intransit damaged F004 Version upgrade F005 Batch 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 specia...

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