Huawei BBU3900 - Table of Contents

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Contents

About This Document...................................................................................................................iii

1 Changes in the BBU3900 Hardware Maintenance Guide..................................................1-1

2 Maintenance Items for the BBU3900 Equipment.................................................................2-1

3 Powering On/Off the BBU3900................................................................................................3-1

3.1 Powering On the BBU.....................................................................................................................................3-2

3.2 Powering Off the BBU....................................................................................................................................3-3

4 Replacing the Components in the OMB................................................................................4-1

4.1 Replacing the HEUA.......................................................................................................................................4-2

4.2 Replacing the AC/DC Power Equipment........................................................................................................4-4

4.3 Replacing the DCDU-03B..............................................................................................................................4-9

4.4 Replacing the AC Surge Protection Box.......................................................................................................4-12

5 Replacing Components of the BBU3900................................................................................5-1

5.1 Querying Board Information...........................................................................................................................5-3

5.2 Replacing the BBU in the 19-Inch Cabinet.....................................................................................................5-3

5.3 Replacing the WMPT......................................................................................................................................5-5

5.4 Replacing the UPEU.......................................................................................................................................5-7

5.5 Replacing the UEIU........................................................................................................................................5-9

5.6 Replacing the FAN Unit................................................................................................................................5-11

5.7 Replacing the UTRP......................................................................................................................................5-12

5.8 Replacing the USCU.....................................................................................................................................5-13

5.9 Replacing the WBBP....................................................................................................................................5-15

5.10 Replacing the Optical Module.....................................................................................................................5-17

Index.................................................................................................................................................i-1

BBU3900

Hardware Maintenance Guide Contents

Issue 03 (2010-06-05) Huawei Proprietary and Confidential

vii