Huawei BTS3900 V200R010 Site Maintenance Manual Download

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Prerequisite

The type of faulty PSU is confirmed and the new PSU is ready.

The new PSU is intact and its version is consistent with the version of the faulty PSU.

The tools and materials are ready. The tools and materials are the ESD wrist strap or gloves,
cross screwdriver, ESD box or bag, and key to the cabinet door.

Context

This module is hot swappable.

CAUTION

Take proper ESD prevention measures, for example, wearing an ESD wrist strap or a pair of
ESD gloves, to protect the PSU from electrostatic damage.

Procedure

Step 1

Loosen the screws on the handle of the PSU panel by using a flathead screwdriver.

Step 2

Pull the handle gently to disconnect the buckle of the PSU from the subrack, and then remove
the PSU from the slot, as shown in

Figure 5-11

Removing the PSU

Step 3

Place the new PSU in the corresponding slot and loosen the screws on the handle of the PSU.
Then, pull the handle outwards.

Step 4

Slide the PSU along the guide rails into the slot and then push the handle back.

Step 5

Tighten the screws on the handle, as shown in

Figure 5-12

Installing the PSU

5 Replacing Components of the BTS3900

BTS3900 WCDMA

Site Maintenance Guide

5-18

Huawei Proprietary and Confidential

Issue 07 (2009-08-30)

Summary of Contents for BTS3900 V200R010

Page 1: ...BTS3900 WCDMA V200 Site Maintenance Guide Issue 07 Date 2009 08 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd ...

Page 2: ...y form or by any means without prior written consent of Huawei Technologies Co Ltd Trademarks and Permissions and other Huawei trademarks are the property of Huawei Technologies Co Ltd All other trademarks and trade names mentioned in this document are the property of their respective holders Notice The information in this document is subject to change without notice Every effort has been made in ...

Page 3: ... 1 4 1 Powering On the BTS3900 4 2 4 2 Powering Off the BTS3900 4 4 5 Replacing Components of the BTS3900 5 1 5 1 Replacing a BBU3900 Case 5 3 5 2 Replacing a WMPT 5 4 5 3 Replacing a WBBP 5 5 5 4 Replacing a UPEU 5 6 5 5 Replacing a UTRP 5 7 5 6 Replacing a UBFA 5 8 5 7 Replacing a DCDU 01 Module 5 10 5 8 Replacing the FAN Unit 5 12 5 9 Replacing the PMU 5 15 5 10 Replacing a PSU 5 17 5 11 Replac...

Page 4: ... cable trough 5 14 Figure 5 7 Removing the FAN unit 5 15 Figure 5 8 Removing the PMU 5 16 Figure 5 9 Set the DIP switch 5 17 Figure 5 10 Installing the PMU 5 17 Figure 5 11 Removing the PSU 5 18 Figure 5 12 Installing the PSU 5 18 Figure 5 13 Position of the RFU 5 20 Figure 5 14 Removing the RFU 5 20 Figure 5 15 Removing the PMU PSU 5 22 Figure 5 16 Removing the screws from the mounting ears 5 23 ...

Page 5: ...e 3 3 Maintenance items of the main components in the BTS3900 3 4 Table 4 1 Power switches on the DCDU 01 panel 4 2 Table 4 2 Checklist for power supply to the components in the cabinet 4 3 Table 4 3 Power switches on the DCDU 01 panel 4 4 BTS3900 WCDMA Site Maintenance Guide Tables Issue 07 2009 08 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd v ...

Page 6: ...ystem engineers l Site maintainers Change History For changes in the document refer to 1 Changes in the BTS3900 WCDMA Site Maintenance Guide Organization 1 Changes in the BTS3900 WCDMA Site Maintenance Guide This describes the changes in the BTS3900 WCDMA Site Maintenance Guide 2 Preparations for NodeB Site Maintenance This describes the preparations for NodeB site maintenance The preparations for...

Page 7: ...y be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium or low level of risk which if not avoided could result in minor or moderate injury Indicates a potentially hazardous situation which if not avoided could result in equipment damage data loss p...

Page 8: ... 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 parameters tabs window and dialog titles are in boldface For ex...

Page 9: ...t 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 About This Document BTS3900 WCDMA Site Maintenance Guide 4 ...

Page 10: ...ourth commercial release Compared with the issue 04 2009 07 15 the document is optimized in diagrams 04 2009 07 15 This is the third commercial release Compared with the issue 03 2009 06 30 the following part is modified Replacing the USCU is added 03 2009 06 30 This is the second commercial release Compared with issue 02 2009 6 30 the following parts are modified The description is revised accord...

Page 11: ... detail informations about replacing the board or module of the BBU3900 are added 01 2008 03 30 This is the initial field trial release 1 Changes in theBTS3900 WCDMA Site Maintenance Guide BTS3900 WCDMA Site Maintenance Guide 1 2 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd Issue 07 2009 08 30 ...

Page 12: ...nment of the NodeB l Maintaining power supply and grounding system of the NodeB l Maintaining the main components in the NodeB l Maintaining the antenna system of the NodeB Arranging Tools and Spare Parts Arrange the related maintenance tools and spare parts based on the site information and maintenance items of the NodeB The most commonly used tools for site maintenance are as follows l The frequ...

Page 13: ... maintenance and test test devices for robustness of the NodeB Local Maintenance Terminal LMT Rubidium clock used to locate the clock of the NodeB Spare parts NOTE When some parts are faulty and thus need to be replaced arrange related tools and new parts for replacement 2 Preparations for NodeB Site Maintenance BTS3900 WCDMA Site Maintenance Guide 2 2 Huawei Proprietary and Confidential Copyright...

Page 14: ...ructions and reference standards of the NodeB equipment room environment 3 2 Power Supply and Grounding System Maintenance Items of the NodeB This provides the maintenance items maintenance intervals operation instructions and reference standards of the NodeB power supply and grounding system 3 3 Maintenance of the Main Components in the BTS3900 This describes the maintenance items maintenance int...

Page 15: ...ture in the equipment room Weekly Record the humidity read on the hygrometer in the equipment room 5 to 85 Checking the illumination in the equipment room Every two months Check whether the routine and emergency illumination in the equipment room is normal Checking the air conditioner Every two months Check whether the air conditioner is working normally Checking protective devices Every two month...

Page 16: ...not aging and there is no corrosion on the connection points Checking the voltage Monthly Measure the voltage of the power supply by using a multimeter The voltage is within standard range Checking PGND cables Monthly Check whether the PGND cable and grounding bar are connected properly The connections of the PGND cable are sound It is not aging The connection points are sound with no corrosion on...

Page 17: ... of the cabinet Quarterly Check whether the lock is normal and the door can be opened and closed easily Checking the cleanness of the cabinet Quarterly Check whether the cabinet is clean The cabinet surface is clean The subracks are not dusty Checking the fan box Annually If there is too much dust on the surface of or inside the fan box clean the fan box Checking LEDs on the boards Monthly Check w...

Page 18: ...BTS3900 WCDMA Site Maintenance Guide 3 Hardware Items of BTS3900 Routine Maintenance Issue 07 2009 08 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 3 5 ...

Page 19: ...r on the BTS3900 4 2 Powering Off the BTS3900 This describes how to power off the BTS3900 in a normal situation and in an emergency You must power off the BTS3900 in a normal situation such as moving the equipment or anticipating a territorial blackout You must also power off the BTS3900 in an emergency such as a fire smoke or water immersion occurs in the equipment room BTS3900 WCDMA Site Mainten...

Page 20: ... Figure 4 1 shows the power switches on the DCDU 01 panel Figure 4 1 DCDU 01 panel Table 4 1 lists the power switches on the DCDU 01 panel Table 4 1 Power switches on the DCDU 01 panel Module Power Switch SPARE2 BBU BBU Standby BBU SPARE1 FAN FAN RFU in slot 0 RFU0 RFU in slot 1 RFU1 RFU in slot 2 RFU2 4 Powering On Off the BTS3900 BTS3900 WCDMA Site Maintenance Guide 4 2 Huawei Proprietary and Co...

Page 21: ...e After the components are powered on you must check whether the power supply to the components are normal according to Table 4 2 Table 4 2 Checklist for power supply to the components in the cabinet Component LED Status FAN RUN LED is green and blinks every other second BBU WMPT RUN LED is steady green or blinks every other second UBFA STATE LED is green and blinks every other second UPEU RUN LED...

Page 22: ...s how to power off the BTS3900 in a normal situation and in an emergency You must power off the BTS3900 in a normal situation such as moving the equipment or anticipating a territorial blackout You must also power off the BTS3900 in an emergency such as a fire smoke or water immersion occurs in the equipment room Context Figure 4 2 shows the power switches on the DCDU 01 panel Figure 4 2 DCDU 01 p...

Page 23: ... distribution switch labeled FAN on the DCDU 01 to OFF 4 Set the DC power distribution switches labeled SPARE1 and SPARE2 on the DCDU 01 to OFF 5 Set the main power switch to OFF l Power off the BTS3900 in an emergency CAUTION Powering off the BTS3900 in an emergency may damage the equipment or boards Do not use this method in any situation other than in an emergency 1 Set the main power switch to...

Page 24: ...ng a WBBP disrupts all the services carried by the NodeB 5 4 Replacing a UPEU The UPEU is the power module of the BBU and provides power for the boards in the BBU The UPEU supports the 48 24V V DC input During the replacement of the UPEU the BBU is powered off and the ongoing services are disrupted 5 5 Replacing a UTRP The UTRP is the BBU3900 main control and transmission board replacing the UTRP ...

Page 25: ... replace it 5 10 Replacing a PSU When a PSU is faulty and cannot be repaired in time you must replace it 5 11 Replacing a WRFU Module This describes how to replace WRFU The WRFU is located on the top of the BTS3900 cabinet The WRFU provides the following functions modulation and demodulation of baseband or RF signals data processing and signal combination and division The replacement of the WRFU d...

Page 26: ... Use the cross screwdriver to remove the four panel screws Step 5 Pull the faulty BBU3900 case out of the cabinet Step 6 Insert a new BBU3900 case into the slot Then push the new BBU3900 case until it is in position Step 7 Tighten the panel screws to secure the new BBU3900 case Step 8 Connect the cables to the BBU in turn according to the labels Step 9 Turn on the power switch of the external powe...

Page 27: ... the NodeB is not required during replacement Replacing the standby WMPT does not disrupt the services When replacing the board do not power off the NodeB You only need to remove the faulty board and then insert a new board into the original slot CAUTION The active standby fail may result in NodeB resetting or service disruption Procedure Step 1 On the NodeB LMT run the ULD CFGFILE command to uplo...

Page 28: ...or a pair of ESD gloves Phillips screwdriver ESD box or bag dustfree cloth and key to the cabinet door are ready Procedure Step 1 On the LMT run the BLK BRD command to block the faulty WBBP Step 2 Remove the faulty WBBP 1 Attach temporary labels to the cables on the faulty WBBP and then disconnect the cables 2 Loosen the screws on the panel of the faulty WBBP 3 Turn the ejector lever outwards and ...

Page 29: ...s are disrupted Prerequisite l The number and types of faulty UPEUs are obtained and new UPEUs are available l The status of the LEDs on the faulty UPEU and cable connections on the panel are recorded l The state of the switch on the power board is confirmed l The required tools and materials such as an ESD wrist strap ESD gloves and an ESD box ESD bag are kept ready Context It takes about 10 minu...

Page 30: ...U3900 main control and transmission board replacing the UTRP disrupts all the services carried by the NodeB Prerequisite The tools and materials such as an ESD wrist strap or a pair of ESD gloves Phillips screwdriver ESD box or bag dustfree cloth and key to the cabinet door are ready Context l The BBU3900 is configured with one active UTRP Replacing the UTRP disrupts all the services carried by th...

Page 31: ... the ports on the panel of the new UTRP according to the recorded cable connections Step 3 Check the running status of the new UTRP 1 When the board is operational the RUN LED blinks at 0 5 Hz and the AL LED is OFF 2 If the board works in active mode the ACT LED is ON If the board does not work or works in standby mode the ACT LED is OFF NOTE For details on the LED of the UTRP see the UTRP End Pos...

Page 32: ... CAUTION l Take correct ESD prevention measures such as wearing an ESD wrist strap or ESD gloves to avoid static damage to boards modules and electronic components l Replacing the UBFA causes the temperature of the BBU increases which results in the overtemperature alarm Procedure Step 1 Loosen the screws on the panel of the UBFA as shown in Figure 5 2 Figure 5 2 Loosening the screws Step 2 Remove...

Page 33: ...DCDU 01 of the same model is available l The new DCDU 01 module is intact and the hardware version of the new DCDU 01 is consistent with that of the faulty DCDU 01 l The tools and materials such as an ESD wrist strap or a pair of ESD gloves a Phillips screwdriver an ESD box or bag and the key to the cabinet door are available Context CAUTION Take proper ESD protection measures for example wear an ...

Page 34: ... mounting ears of the module Step 6 Remove the DCDU 01 module by pulling out the DCDU 01 with one hand and holding the DCDU 01 with the other hand Step 7 Put the faulty DCDU 01 into an ESD box Step 8 Install the new DCDU 01 into the position where the original one is located and then use the four removed M6x12 screws to fasten the DCDU 01 to the subrack BTS3900 WCDMA Site Maintenance Guide 5 Repla...

Page 35: ...DCDU 01 module 5 8 Replacing the FAN Unit The FAN unit works with the air inlet box in the cabinet to form a ventilation path The FAN unit provides forced ventilation and dissipation for the BBU and RFU Replacing the FAN unit may result in over temperature alarms due to interruption of heat dissipation for the cabinet but has no negative effect on services of the BTS It takes about 20 minutes to r...

Page 36: ... the cables on the panel of the FAN unit and then remove the cables Step 3 Loosen the captive screws on both sides of the adjustable cable trough Then raise the cable trough and fix it at the upper mounting hole as shown in Figure 5 6 BTS3900 WCDMA Site Maintenance Guide 5 Replacing Components of the BTS3900 Issue 07 2009 08 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co L...

Page 37: ...ole 2 Captive screw Step 4 Remove the four screws from the fan subrack as shown in Figure 5 7 5 Replacing Components of the BTS3900 BTS3900 WCDMA Site Maintenance Guide 5 14 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd Issue 07 2009 08 30 ...

Page 38: ... Step 9 Set the FAN unit switch on the DCDU 01 to ON End Postrequisite After replacing the FAN unit perform the following operations l Check the cables and ensure that they are correctly and tightly connected l Ensure the RUN LED on the panel is green and blinks at 0 5 Hz when the equipment is powered on l Ensure that the related alarms are cleared after the equipment is powered on l Contact the l...

Page 39: ... the PMU and then label the cables CAUTION When inserting or removing the DB50 connector of the environment monitoring signal cable you must hold the connector with both hands and keep it perpendicular to the panel to prevent false alarms caused by bent pins Step 2 Loosen the screws on the handle of the PMU panel by using a flathead screwdriver Step 3 Pull the handle gently to disconnect the buckl...

Page 40: ...ected from the PMU End Postrequisite After replacing the PMU check the following items l The cables are correctly and tightly connected l The RUN LED on the panel blinks green at 0 5 Hz after the PMU is powered on l On the M2000 or LMT the related alarms are cleared l Contact the local Huawei office to handle the faulty PMU 5 10 Replacing a PSU When a PSU is faulty and cannot be repaired in time y...

Page 41: ...n the screws on the handle of the PSU panel by using a flathead screwdriver Step 2 Pull the handle gently to disconnect the buckle of the PSU from the subrack and then remove the PSU from the slot as shown in Figure 5 11 Figure 5 11 Removing the PSU Step 3 Place the new PSU in the corresponding slot and loosen the screws on the handle of the PSU Then pull the handle outwards Step 4 Slide the PSU a...

Page 42: ...th that of the faulty WRFU module l The required tools and materials are ready They are a torque wrench an ESD wrist strap a Phillips screwdriver an ESD box or bag dustfree cloth the key to the cabinet door and the standard handle Context CAUTION l Take proper ESD prevention measures for example wear an ESD wrist strap or ESD gloves to prevent the boards modules and electronic components from bein...

Page 43: ... the RFU panel and turn the handle key by 90 Pull out the module by holding the handle key using one hand and then remove the RFU using the other hand as shown in Figure 5 14 Figure 5 14 Removing the RFU Step 6 Slide the new RFU along its guide rail until the module is in position with obvious resistance 5 Replacing Components of the BTS3900 BTS3900 WCDMA Site Maintenance Guide 5 20 Huawei Proprie...

Page 44: ... or the LMT the alarms related to the RFU module are cleared after the RFU module is powered on l Contact the local Huawei office to handle the faulty RFU module 5 12 Replacing the Power Supply Subrack of the BTS3900 The power supply subrack is located in the lower cabinet of the BTS3900 It can be installed with the PSU and PMU to provide the power input and output ports It takes about 25 minutes ...

Page 45: ...on the PSU panel is the same as that on the PMU panel Step 4 Pull out the PMU or PSU along the guide rails by holding the ejector lever on the PMU PSU panel as shown in Figure 5 15 Step 5 Repeat Step 3 through Step 4 to remove all the PMUs PSUs from the power supply subrack and then put them into the ESD box Step 6 Remove the four M6x12 strews on the two mounting ears of the power supply subrack a...

Page 46: ...on the panel of the power supply subrack and on that of the PMU according to the marks Step 11 Power on the BTS3900 End Postrequisite After replacing the power supply subrack perform the following operations l Check the cables and ensure that they are correctly and tightly connected l Ensure that the related alarms are cleared after the equipment is powered on l Contact the local Huawei office to ...

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