Huawei BTS3902E WCDMA Hardware Description Download Page 58

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Figure 3-2

Raising the upper housing

Step 6

Separate the slots on the camouflage shell from the tabs to remove the camouflage shell, as
shown in

Figure 3-3

Removing the camouflage shell

(1) Camouflage shell

(2) Slots

(3) Tabs

Step 7

Record all the cable connections on the bottom of the faulty BTS3902E.

Step 8

Disconnect the cables connected to the external equipment from the bottom of the BTS3902E.

BTS3902E WCDMA
Site Maintenance Guide

3 Replacing the BTS3902E

Issue 06 (2014-05-16)

Huawei Proprietary and Confidential

Summary of Contents for BTS3902E WCDMA

Page 1: ...BTS3902E WCDMA Hardware Description Issue 09 Date 2014 05 16 HUAWEI TECHNOLOGIES CO LTD ...

Page 2: ... 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 to change without notice Every effort has been made in the preparation of this document to ens...

Page 3: ...2E in this document V200R013C00 and later versions V100R008C00 and later versions The single mode base station version mapping to V100R008C00 is NodeB V200R015C00 Intended Audience This document is intended for l Base station installation engineers l System engineers l Site maintenance engineers Organization 1 Changes in BTS3902E WCDMA Hardware Description This chapter describes the changes in BTS...

Page 4: ...s situation which if not avoided may result in minor or moderate injury Indicates a potentially hazardous situation which if not avoided could result in equipment damage data loss performance deterioration or unanticipated results NOTICE is used to address practices not related to personal injury Calls attention to important information best practices and tips NOTE is used to address information n...

Page 5: ... x y Optional items are grouped in braces and separated by vertical bars A minimum of one item or a maximum of all items can be selected x y Optional items are grouped in brackets and separated by vertical bars Several items or no item can be selected GUI Conventions The GUI conventions that may be found in this document are defined as follows Convention Description Boldface Buttons menus paramete...

Page 6: ...ions The mouse operations that may be found in this document are defined as follows Action Description Click Select and release the primary mouse button without moving the pointer Double click Press the primary mouse button twice continuously and quickly without moving the pointer Drag Press and hold the primary mouse button and move the pointer to a certain position BTS3902E WCDMA Hardware Descri...

Page 7: ... at The 1 9 GHz or 2 1 GHz Frequency Band 18 3 3 2 AC Power Cable Working at The 850 MHz Frequency Band 21 3 3 3 DC Power Cable Working at the AWS Frequency Band 23 3 4 Optional Alarm Cable for the BTS3902E 24 3 5 FE GE Fiber Optic Cable 25 3 6 FE GE Cable 26 3 7 Cascading FE GE Fiber Optic Cable 27 3 8 Cascading FE GE Cable 27 3 9 BTS3902E RF Jumper 28 4 BTS3902E Auxiliary Devices 29 4 1 IFS06 30...

Page 8: ...nd is added Compared with 08 2014 02 28 no information is deleted 08 2014 02 28 This is the eighth commercial release Compared with 07 2013 12 05 no information is added Compared with 07 2013 12 05 this issue incorporates the following change Topic Change Description About This Document Modified the description of the application scope of this document Compared with 07 2013 12 05 no information is...

Page 9: ...on scope of this document 3 7 Cascading FE GE Fiber Optic Cable Modified the cable name from Interconnection Cable Between FE GE Optical Ports to Cascading FE GE Fiber Optic Cable 3 8 Cascading FE GE Cable Modified the cable name from Interconnection Cable Between FE GE Electrical Ports to Cascading FE GE Cable Compared with 05 2012 12 30 no information is deleted 05 2012 12 30 This is the fifth c...

Page 10: ...s issue incorporates the following change Topic Change Description 2 2 BTS3902E Ports Added the PoE port description Compared with 03 2012 06 30 no information is deleted 03 2012 06 30 This is the third commercial release Compared with 02 2012 03 15 no information is added Compared with 02 2012 03 15 this issue incorporates the following changes Topic Change Description 3 2 BTS3902E PGND Cables Ad...

Page 11: ...2011 09 22 This is a draft release Compared with draft A 2011 06 30 this issue includes the following new information l 4 1 IFS06 Compared with draft A 2011 06 30 this issue incorporates the following changes Topic Change Description 2 1 BTS3902E Exterior The position of the ESN is modified 3 4 Optional Alarm Cable for the BTS3902E Modified the cable name from BTS3902E Monitoring Signal Cable to B...

Page 12: ...ar design with its ports on the bottom 2 2 BTS3902E Ports The BTS3902E ports are on the bottom and the indicators are on the front 2 3 BTS3902E Indicators A BTS3902E has six indicators which indicate the running status of the BTS3902E BTS3902E WCDMA Hardware Description 2 BTS3902E Overview Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 5 ...

Page 13: ...sing The camouflage shell is optional Figure 2 1 BTS3902E 1 Upper housing 2 Camouflage shell 3 BTS3902E with built in antenna 4 BTS3902E with external antennas Figure 2 2 shows the dimensions of a BTS3902E Table 2 1 shows the specifications of a BTS3902E BTS3902E WCDMA Hardware Description 2 BTS3902E Overview Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co ...

Page 14: ...the Housing Dimensions H2 x W2 x D with the Housing BTS3902E working at the 1 9 GHz 2 1 GHz or AWS frequency band 300 mm x 120 mm x 270 mm 400 mm x 145 mm x 277 mm BTS3902E WCDMA Hardware Description 2 BTS3902E Overview Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 7 ...

Page 15: ...sition 2 2 BTS3902E Ports The BTS3902E ports are on the bottom and the indicators are on the front The BTS3902E working at the 1 9 GHz 2 1 GHz 850 MHz frequency band supports AC power supply and the BTS3902E working at the AWS frequency band supports DC power supply The two types of BTS3902Es have the same appearance and dimensions Figure 2 4 shows the positions of the BTS3902E ports and indicator...

Page 16: ...A ANTB_TX RX TX RX port B ANTC_SON SON antenna port ETH FE GE electrical port or power over Ethernet PoE port OPT0 FE GE optical port OPT1 FE GE optical port MON Environment monitoring port for an RS485 input and four dry contact inputs PWR Power supply port BTS3902E WCDMA Hardware Description 2 BTS3902E Overview Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies...

Page 17: ...rs A BTS3902E has six indicators which indicate the running status of the BTS3902E For details about the indicator positions on the BTS3902E panel see 2 2 BTS3902E Ports Table 2 3 describes BTS3902E indicators Table 2 3 BTS3902E indicators Indicator Color Status Description RUN Green Steady on There is power supply but the BTS3902E is faulty Off There is no power supply or the BTS3902E is faulty B...

Page 18: ...1s VSWR alarms are generated on the ANTB_TX RX port Steady red VSWR alarms are generated on the ANTA_TX RX port Blinking red on for 0 125s and off for 0 125s VSWR alarms are generated on the ANTA_TX RX and ANTB_TX RX ports O E Green Steady on The OPT1 or ETH port is connected properly Blinking on for 0 125s and off for 0 125s The OPT1 or ETH port is transmitting or receiving data Off The OPT1 or E...

Page 19: ...nal 3 5 FE GE Fiber Optic Cable A fast Ethernet or gigabit Ethernet FE GE fiber optic cable transmits fiber signals between a BTS3902E and a transmission device The maximum length of a FE GE fiber optic cable is 20 m 65 61 ft This cable is optional 3 6 FE GE Cable The fast Ethernet or gigabit Ethernet FE GE cable transmits FE GE signals between a BTS3902E and a transmission device This cable is op...

Page 20: ... M6 16 mm2 AC surge protection box Prepared onsite to match the ground bar Ground terminal on the ground bar 3 3 1 AC Power Cable Working at The 1 9 GHz or 2 1 GHz Frequency Band 3 pin waterproofed round AC connector PWR port on the BTS3902E OT terminal M4 1 5 mm2 AC surge protection box OT terminal M4 4 mm2 AC surge protection box Bare wire Power device 3 pin waterproofed round AC connector PWR p...

Page 21: ...Cable List Working at The 850 MHz Frequency Band This section describes the AC power cables applied to the BTS3902E working at the 850 MHz frequency band Table 3 2 lists the AC power cables applied to the BTS3902E working at the 850 MHz frequency band Table 3 2 AC power cable list of the BTS3902E working at the 850 MHz frequency band Cable Name One End The Other End Connector Installation Position...

Page 22: ...evice 3 5 FE GE Fiber Optic Cable DLC connector OPT0 port on the BTS3902E DLC connector External transmission device 3 7 Cascading FE GE Fiber Optic Cable DLC connector OPT0 OPT1 port on the BTS3902E DLC connector OPT0 OPT1 port on the BTS3902E 3 6 FE GE Cable RJ45 connector ETH port on the BTS3902E RJ45 connector External transmission device 3 8 Cascading FE GE Cable RJ45 connector ETH port on th...

Page 23: ...terproofed round DC connector PWR port on the BTS3902E Bare wire Power device 3 4 Optional Alarm Cable for the BTS3902E DB15 male connector MON on the BTS3902E Bare wire External monitoring device 3 5 FE GE Fiber Optic Cable DLC connector OPT0 port on the BTS3902E DLC connector External transmission device 3 7 Cascading FE GE Fiber Optic Cable DLC connector OPT0 OPT1 port on the BTS3902E DLC conne...

Page 24: ...AC power supply two PGND cables are required One provides equipotential connection between the AC surge protection box and the BTS3902E and the other connects the AC surge protection box and a ground bar to ensure proper grounding of the AC surge protection box l One end of the PGND cable connected to the BTS3902E or AC surge protection box is an M6 OT terminal The other end connected to the groun...

Page 25: ...ulations Figure 3 2 shows a two hole terminal Figure 3 2 Two hole terminal 3 3 BTS3902E Power Cable A BTS3902E power cable feeds power to a BTS3902E from an external power device 3 3 1 AC Power Cable Working at The 1 9 GHz or 2 1 GHz Frequency Band This section describes the AC power cable applied to the BTS3902E working at the 1 9 GHz or 2 1 GHz frequency band For outdoor BTS3902Es the AC surge p...

Page 26: ... B Yellow and green PE l With an AC Surge Protection Box Figure 3 4 shows the power cable between a BTS3902E and an AC surge protection box which is already configured The cross sectional area of the power cable is 1 5 mm2 Figure 3 4 Power cable between a BTS3902E and an AC surge protection box 1 3 pin waterproofed round AC connector 2 OT terminal Table 3 6 describes the pin assignment for the wir...

Page 27: ...5 Power cable between an AC surge protection box and a power device 1 OT terminal 2 Bare wire Table 3 7 describes the pin assignment for the wires of the power cable between an AC surge protection box and a power device Table 3 7 Pin assignment for the wires of the power cable between an AC surge protection box and a power device AC Surge Protection Box End Power Device End Wire Color Description ...

Page 28: ...ofed round AC connector 2 Bare wire Table 3 8 describes the pin assignment for the wires of the power cable between a BTS3902E and a power device Table 3 8 Pin assignment for the wires of the BTS3902E power cable AC surge protection box not configured BTS3902E End Power Device End Wire Color Description X1 A Bare wire Brown L X1 C Blue N X1 B Yellow and green PE l With an AC Surge Protection Box F...

Page 29: ...red BTS3902E End AC Surge Protection Box End Wire Color Description X1 A X2 Brown L X1 C X3 Blue N X1 B X4 Yellow and green PE Figure 3 8 shows the power cable between a power device and an AC surge protection box which is already configured The cross sectional area of the power cable is 2 5 mm2 Figure 3 8 Power cable between an AC surge protection box and a power device 1 OT terminal 2 Bare wire ...

Page 30: ...hows a BTS3902E power cable There are two types of power cables in terms of cross sectional areas 3 3 mm2 12 AWG complying with North American standards and 4 mm2 complying with European standards Figure 3 9 Power cable between a BTS3902E and power equipment 1 2 pin waterproofed round DC connector 2 Bare wire l Pin Assignment Table 3 11 and Table 3 12 list the pin assignment for the wires of a BTS...

Page 31: ...1 B Brown RTN NOTE The BTS3902E power cable can be purchased at the local market in Britain The colors of the core wires are brown NEG and blue RTN 3 4 Optional Alarm Cable for the BTS3902E The BTS3902E alarm cable transmits alarm signals from an external device to a BTS3902E so that the base station monitors the operating status of external devices This cable is optional Exterior Figure 3 10 show...

Page 32: ... X2 9 Blue and red Twisted pair PSU 485 TX X1 12 X2 10 Blue PSU 485 TX X1 13 X2 11 Orange and red Twisted pair PSU 485 RX X1 14 X2 12 Orange PSU 485 RX X1 Shield Shield 3 5 FE GE Fiber Optic Cable A fast Ethernet or gigabit Ethernet FE GE fiber optic cable transmits fiber signals between a BTS3902E and a transmission device The maximum length of a FE GE fiber optic cable is 20 m 65 61 ft This cabl...

Page 33: ...th an RJ45 connector and round connector at one end and an RJ45 connector at the other end as shown in Figure 3 12 Figure 3 12 FE GE cable 1 RJ45 connector 2 Round connector Pin Assignment Table 3 14 describes the pin assignment for the wires of the FE GE cable Table 3 14 Pin assignment for the wires of the FE GE cable Pin on the RJ 45 Connector Wire Color Wire Type Pin on the RJ 45 Connector X1 2...

Page 34: ...or and round connector at each end as shown in Figure 3 13 Figure 3 13 Cascading FE GE Fiber Optic Cable 1 DLC connector 2 Round connector 3 8 Cascading FE GE Cable A cascading FE GE cable connects two FE GE electrical ports on two modules Exterior A Cascading FE GE Cable has an RJ45 connector and round connector at each end as shown in Figure 3 14 Figure 3 14 Cascading FE GE Cable 1 RJ45 connecto...

Page 35: ...jumper is a type N male connector and the other end is connected to the antenna system Figure 3 15 shows an RF jumper with a type N male connector at each end Figure 3 15 RF jumper 1 Type N male connector BTS3902E WCDMA Hardware Description 3 BTS3902E Cables Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 28 ...

Page 36: ...ional AC Surge Protection Box An AC surge protection box implements surge protection for AC input power The AC surge protection box can be configured when the BTS3902E with an AC port is installed outdoors Two AC surge protection boxes SPD60D and SPM60A are available for the BTS3902E BTS3902E WCDMA Hardware Description 4 BTS3902E Auxiliary Devices Issue 09 2014 05 16 Huawei Proprietary and Confide...

Page 37: ...our BTS3902Es l It supports the installation of two BTS3902Es l The upper and lower adjustable beams on an IFS06 can be moved up and down to fit for heights of BTS3902Es Structure The IFS06 consists of the main frame cable tray upper and lower adjustable beams and front and rear feet as shown in Figure 4 2 BTS3902E WCDMA Hardware Description 4 BTS3902E Auxiliary Devices Issue 09 2014 05 16 Huawei ...

Page 38: ...2 in H x W x D Weight 45 kg 99 23 lb 4 2 Optional AC Surge Protection Box An AC surge protection box implements surge protection for AC input power The AC surge protection box can be configured when the BTS3902E with an AC port is installed outdoors Two AC surge protection boxes SPD60D and SPM60A are available for the BTS3902E BTS3902E WCDMA Hardware Description 4 BTS3902E Auxiliary Devices Issue ...

Page 39: ...e specifications of an SPD60D Table 4 2 Specifications of an SPD60D Item Specification Dimensions 240 mm 9 45 in x 140 mm 5 51 in x 75 mm 2 95 in H x W x D Installation option On a pole on a wall or on a wood pole Surge protection capability 60 kA 8 20 us in differential mode common mode Ports Table 4 3 describes the ports on an SPD60D BTS3902E WCDMA Hardware Description 4 BTS3902E Auxiliary Devic...

Page 40: ...able Ports on the cabling cavity panel Nout Wiring terminal for a power cable Nin Lout Lin Wiring terminal for a ground cable 4 2 2 SPM60A Working at the 850 MHz Frequency Band The outdoor BTS3902E working at the 850 MHz frequency band can use the SPM60A Surge Protection Module 60A Exterior Figure 4 4 shows the exterior of an SPM60A Figure 4 4 Exterior of an SPM60A BTS3902E WCDMA Hardware Descript...

Page 41: ...on option On a pole or on a wall Surge protection capability 60 kA 8 20 us in differential mode common mode Ports Figure 4 5 shows the ports on the SPM60A panel Figure 4 5 Ports on the SPM60A panel Table 4 5 describes the ports on an SPM60A BTS3902E WCDMA Hardware Description 4 BTS3902E Auxiliary Devices Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 3...

Page 42: ...rt on the bottom surface External ground terminal 3 Ports at the bottom IN Port for the AC input power cable between the onsite power device and the SPM60A OUT Port for the AC output power cable between the SPM60A and the BTS3902E BTS3902E WCDMA Hardware Description 4 BTS3902E Auxiliary Devices Issue 09 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 35 ...

Page 43: ...BTS3902E WCDMA Site Maintenance Guide Issue 06 Date 2014 05 16 HUAWEI TECHNOLOGIES CO LTD ...

Page 44: ... 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 to change without notice Every effort has been made in the preparation of this document to ens...

Page 45: ...nd later versions The single mode base station version mapping to V100R008C00 is NodeB V200R015C00 Intended Audience This document is intended for l System engineers l Site maintenance engineers Organization 1 Changes in BTS3902E WCDMA Site Maintenance Guide This chapter describes the changes in BTS3902E WCDMA Site Maintenance Guide 2 Powering On and Powering Off a BTS3902E After a BTS3902E is pow...

Page 46: ...ollows 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 potentially hazardous situation which if not avoi...

Page 47: ...d x y Optional items are grouped in brackets and separated by vertical bars One item is selected or no item is selected x y Optional items are grouped in braces and separated by vertical bars A minimum of one item or a maximum of all items can be selected x y Optional items are grouped in brackets and separated by vertical bars Several items or no item can be selected GUI Conventions The GUI conve...

Page 48: ...s should be pressed in turn Mouse Operations The mouse operations that may be found in this document are defined as follows Action Description Click Select and release the primary mouse button without moving the pointer Double click Press the primary mouse button twice continuously and quickly without moving the pointer Drag Press and hold the primary mouse button and move the pointer to a certain...

Page 49: ...Off a BTS3902E 4 2 1 Powering On a BTS3902E 5 2 2 Powering Off a BTS3902E 6 3 Replacing the BTS3902E 7 4 Replacing the Attachment Plate 16 5 Replacing an Optical Module 18 BTS3902E WCDMA Site Maintenance Guide Contents Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd vi ...

Page 50: ...and is added Compared with 05 2014 02 28 no information is deleted 05 2014 02 28 This is the fifth commercial release Compared with 04 2013 12 05 no information is added Compared with 04 2013 12 05 this issue incorporates the following change Topic Change Description About This Document Modified the description of the application scope of this document Compared with 04 2013 12 05 no information is...

Page 51: ... added to the application scope of this document Compared with 02 2012 03 15 no information is deleted 02 2012 03 15 This is the second official release Compared with 01 2011 11 19 this issue incorporates the following new information l 4 Replacing the Attachment Plate Compared with 01 2011 11 19 this issue incorporates the following change Topic Change Description 3 Replacing the BTS3902E Added t...

Page 52: ...tion is changed Compared with draft A 2011 06 30 no information is deleted Draft A 2011 06 30 This is a draft release BTS3902E WCDMA Site Maintenance Guide 1 Changes in BTS3902E WCDMA Site Maintenance Guide Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 3 ...

Page 53: ...On a BTS3902E This section describes how to power on a BTS3902E and how to check the running status of the BTS3902E by observing the status of the indicators 2 2 Powering Off a BTS3902E This section describes how to power off a BTS3902E BTS3902E WCDMA Site Maintenance Guide 2 Powering On and Powering Off a BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologi...

Page 54: ...you power off the BTS3902E for maintenance you must restore power to it within 24 hours Procedure Step 1 Power on the BTS3902E CAUTION Do not look into the optical module without eye protection after the BTS3902E is powered on Step 2 Wait three to five minutes and then check the status of the BTS3902E indicators For details see BTS3902E Indicators in BTS3902E WCDMA Hardware Description NOTE If BTS...

Page 55: ...r off a BTS3902E Procedure Step 1 Turn off the external power switch of the BTS3902E End BTS3902E WCDMA Site Maintenance Guide 2 Powering On and Powering Off a BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 6 ...

Page 56: ...3902E l The camouflage shell is optional The following uses the BTS3902E equipped with a camouflage shell as an example Procedure Step 1 Instruct the network operator to perform the following operations before replacing the BTS3902E 1 On the NodeB run the BLK LOCELL command to block all cells controlled by the NodeB 2 Modify the ESN on the RNC by referring to the ESN on the new BTS3902E 3 Upload t...

Page 57: ... M4 Phillips screwdriver to loosen the four captive screws on the housing as shown in Figure 3 1 Figure 3 1 Loosening the screws on the housing Step 5 Raise the upper housing until it is stopped as shown in Figure 3 2 BTS3902E WCDMA Site Maintenance Guide 3 Replacing the BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 8 ...

Page 58: ...amouflage shell 1 Camouflage shell 2 Slots 3 Tabs Step 7 Record all the cable connections on the bottom of the faulty BTS3902E Step 8 Disconnect the cables connected to the external equipment from the bottom of the BTS3902E BTS3902E WCDMA Site Maintenance Guide 3 Replacing the BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 9 ...

Page 59: ...as shown in Figure 3 4 Figure 3 4 Loosening captive screws on the main mounting bracket 2 Use an M6 Phillips screwdriver to tighten the screws on the attachment plate of the BTS3902E as shown in Figure 3 5 Use the screw only for removing the BTS3902E to loosen the connection between the attachment plate and the main mounting bracket and then raise the BTS3902E bottom to remove it as shown in Figur...

Page 60: ...02E l When an angle adjustable mounting kit is used perform the following operations 1 Use an M8 hexagon screwdriver to loosen the four positioning screws to separate the upper and lower positioning pins with the mounting holes and remove the BTS3902E as shown in Figure 3 7 BTS3902E WCDMA Site Maintenance Guide 3 Replacing the BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyri...

Page 61: ... BTS3902E Indicators in BTS3902E WCDMA Hardware Description Step 13 Go to Perform the following operations on the LMT or use the USB storage device depending on whether the laptop or USB storage device is used l Perform the following operations on the LMT 1 In the Software Update window select Downloading the Data Configuration File Download NodeB Software Package and Download by Configuration to ...

Page 62: ...Step 14 Instruct the network operator to perform the following operations 1 On the NodeB run the UBL LOCELL command to unblock all cells controlled by the NodeB 2 Synchronize the inventory information manually 3 Set TESTING to NORMAL manually Step 15 Install the slots on the camouflage shell to the tabs to secure the shell as shown in Figure 3 8 Figure 3 8 Installing the camouflage shell 1 Camoufl...

Page 63: ... an M4 Phillips screwdriver to tighten the two captive screws to 1 2 N m 10 62 lbf in as shown in Figure 3 10 BTS3902E WCDMA Site Maintenance Guide 3 Replacing the BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 14 ...

Page 64: ... bag Then put the ESD box or bag into a carton padded with foam or into the packing box of the new board l Fill in the fault form with the detail information of the replaced board l Contact the local Huawei office to handle the faulty component BTS3902E WCDMA Site Maintenance Guide 3 Replacing the BTS3902E Issue 06 2014 05 16 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd...

Page 65: ...cording to the instructions in 2 Powering On and Powering Off a BTS3902E This section only describes the procedure for removing and installing the attachment plate Procedure Step 1 Wear an ESD wrist strap or ESD gloves NOTICE Take proper ESD measures for example wear an ESD wrist strap or ESD gloves to prevent electrostatic damage to the boards modules or electronic components Step 2 Use an M6 scr...

Page 66: ...p Procedure l Place the replaced component into the ESD box or bag Then place the ESD box or bag into a foam padded carton or the packing box of the new component l Fill in the fault form with detailed information about the replaced component l Contact the local Huawei office to handle the replaced component BTS3902E WCDMA Site Maintenance Guide 4 Replacing the Attachment Plate Issue 06 2014 05 16...

Page 67: ...ical modules are hot swappable l It takes about five minutes to replace an optical module on the BTS3902E which involves disconnecting the fiber optic cable removing the faulty optical module inserting a new optical module reconnecting the fiber optic cable and waiting for the link on the Ethernet optical port to resume Procedure Step 1 Wear ESD gloves NOTICE Take proper ESD protection measures fo...

Page 68: ...connector into the new optical module Step 7 Check the transmission of FE GE signals by observing the status of the indicators labeled O E or O For details about the status of the indicators see BTS3902E Indicators in BTS3902E WCDMA Hardware Description Step 8 Take off the ESD gloves and pack up all the tools End Follow up Procedure l Place the removed optical module into the ESD box or bag Then p...

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