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發(fā)表于 2009-04-15 10:05:54 只看樓主

北電維護講座\CDMA Access

AGNTS189_CDMA_BTS_Maintenance(V1.1):
CDMA BTS Maintenance Guide

CDMA Metro 蜂窩基站維護指南

Customer:
China Unicom
Site:
CDMA NBSS 12.1
Date:
April 18, 2005
TABLE OF CONTENTS

1
introduction to Metrocell............................................................................... 5
1.1
Indoor Metro Cell layout....................................................................................................................... 5
1.2
Metro Cell LED patterns........................................................................................................................ 10
1.2.1
LED patterns for the CORE, CM, and CEM/XCEM modules.............................................................. 10
1.2.2
LED patterns for the GPSTM.................................................................................................................... 13
1.2.3
LED patterns for the FRM and MFRM.................................................................................................... 14
1.2.4
LED patterns for the Rectifier shelf.......................................................................................................... 19
1.2.5
LED patterns for the Cooling unit fan tray............................................................................................ 27
2
Metro cell preventive maintenance procedure................................... 28

2.1
Maintenance activities whenever onsite........................................................................................ 28

2.1.1
任何時候現(xiàn)場的維護任務(wù)........................................................................................................................ 29

2.1.2
每月預防性維護流程................................................................................................................................. 33

2.3
Semi-annual maintenance activities................................................................................................. 35

2.3.1
半年的維護活動.......................................................................................................................................... 35

3
Minicell preventive maintenance................................................................... 37
3.1
Minicell preventive maintenance for each site visit................................................................ 37
3.1.1
到現(xiàn)場的每個微蜂窩基站的維護........................................................................................................... 37

3.2
Monthly Minicell maintenance activity....................................................................................... 38
3.2.1
每月微蜂窩基站的維護活動.................................................................................................................... 38
3.3
Semi-annual Minicell maintenance activity................................................................................ 39
3.3.1
半年微蜂窩基站維護活動........................................................................................................................ 40
3.4
Semi-annual Minicell maintenance activity (continued)....................................................... 42
3.4.1
每半年微蜂窩基站的預防性維護（繼續(xù)）.......................................................................................... 43

3.5
Annual Minicell maintenance activity.......................................................................................... 44
3.5.1
年度微蜂窩基站的維護活動.................................................................................................................... 44
4
Compact metro cell preventive maintenance........................................ 46
4.1
Compact Metro Cell shelf layout (NN-20000-185 page 21)......................................................... 46
4.2
Compact Metro Cell shelf Front View layout............................................................................ 47
4.3
Compact Metro Cell block diagram.................................................................................................. 48
4.4
Compact Metro Cell Preventive maintenance procedures.................................................... 49
4.4.1
Check Compact Metro Cell LEDs............................................................................................................ 49
4.4.2
Inspect cooling unit fan trays................................................................................................................... 49
4.4.3
Check cables and connectors................................................................................................................... 49
4.5
Compact Metro Cell Monthly Preventive maintenance procedures................................ 50
4.5.1
Inspect variable-speed cooling unit (VSCU)........................................................................................ 50
4.5.2
Replace the fan filter media (only).......................................................................................................... 50
4.6
Compact Metro Cell Semi-annual Preventive maintenance.................................................. 51
4.6.1
Check antennas mounts............................................................................................................................. 51
5
Indoor metro cell low density preventive maintenance procedures
52
5.1
Low Density Metro Cell Preventive Maintenance procedures............................................ 56
5.2
Maintenance activities whenever onsite........................................................................................ 56
5.3
Maintenance activities whenever onsite (continued).............................................................. 57
5.3.1
任何時候現(xiàn)場的維護任務(wù)........................................................................................................................ 57

5.4
Monthly Preventive Maintenance Procedure.............................................................................. 60
5.4.1
每月預防性維護流程................................................................................................................................. 61
5.5
Semi-annual Maintenance activities................................................................................................. 62
5.5.1
半年的維護活動.......................................................................................................................................... 63
6
Metro cell troubleshooting procedures............................................. 64
6.1
Alarm Troubleshooting Manuals (告警處理指南).......................................................................... 64
6.2
Troubleshooting Workflow.................................................................................................................. 65
6.3
Most Common Problems and Troubleshooting.............................................................................. 67
6.3.1
Common things to check
for Receive path troubleshooting
(路徑接收失敗的常規(guī)性檢查)... 67
6.3.1.1
Defective antenna jumper cables as well as loose connectors and bad duplexers/combiners............... 67
6.3.1.2
It has been observed that some CDMA repeaters when they fail will cause interference on the receive path. ( 通話失敗或無法接通有可能是干擾引起).................................................................................................................................................. 67
6.3.1.3
One or more sector no Callp with CarrierRx0NoisePower or CarrierRx1NosePower =1541.............. 68
6.3.1.4
No Callp and no alarm for BTS but GPSTM alarm appeared before and BTS was initialized after the alarm.
69
6.3.1.5
BTSI health failure................................................................................................................................ 71
6.3.1.6
Communication Fault // Control Module cannot communicate with CEM. See CC1/CC2CommunicationStatus attribute for details
72
6.3.1.7
Communication fault // Control module cannot communicate with CORE. See CommunicationStatus attribute for details.
74
6.3.1.8
Severe CORE module failure................................................................................................................ 75
6.3.1.9
Lost communications with ECM......................................................................................................... 76
6.3.1.10
GPSTM failure 32................................................................................................................................ 77
6.3.1.11
GPSTM holdover has exceeded four hours.......................................................................................... 77
6.3.1.12
Lost communication to GPSTM ( 與 GPSTM 無法通信).............................................................. 79
6.3.1.13
Heartbeat Not Received from the subsystem, <additional fault Information (額外的故障信息)> 34
80
6.3.1.14
HPA anxiety fault - FRU

AM 39...................................................................................................... 81
6.3.1.15
Sector transmit path failure - FRU:unknown 39.................................................................................. 82
6.3.1.16
CarrierRx_Power too low alarms.......................................................................................................... 83
6.3.1.17
CarrierRxPowerDiff alarms.................................................................................................................. 84
6.3.1.18
CarrierRx_Power too high alarms......................................................................................................... 85
7
reference.................................................................................................................. 86

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2009-4-15 10:05:54 下載次數(shù): 8

AGNTS189_CDMA_BTS_Maintenance(V1.1).doc (2.55 MB)

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