目 錄
第 1 章故障處理概述...............................................................................................................................1-1
1.1 對維護人員的基本要求.................................................................................................................1-1
1.2 故障處理流程................................................................................................................................1-1
1.2.1 信息收集...............................................................................................................................1-1
1.2.2 故障分析...............................................................................................................................1-2
1.2.3 故障定位...............................................................................................................................1-2
1.2.4 故障排除...............................................................................................................................1-2
1.2.5 故障記錄...............................................................................................................................1-2
1.2.6 經(jīng)驗共享...............................................................................................................................1-2
1.3 常用維護方法................................................................................................................................1-3
1.3.1 查看告警和操作日志...........................................................................................................1-3
1.3.2 指示燈狀態(tài)分析法...............................................................................................................1-3
1.3.3 性能分析法...........................................................................................................................1-3
1.3.4 儀器、儀表分析法...............................................................................................................1-3
1.3.5 插拔法和按壓法...................................................................................................................1-4
1.3.6 對比法和互換法...................................................................................................................1-4
1.3.7 隔離法..................................................................................................................................1-4
1.3.8 自檢法..................................................................................................................................1-4
1.4 中興技術(shù)支持................................................................................................................................1-4
1.4.1 中興技術(shù)支持聯(lián)系方式.......................................................................................................1-4
第2 章操作維護類故障分析和處理........................................................................................................2-1
2.1 概述................................................................................................................................................2-1
2.1.1 硬件結(jié)構(gòu)...............................................................................................................................2-1
2.1.2 軟件結(jié)構(gòu)...............................................................................................................................2-4
2.2 典型故障案例................................................................................................................................2-4
2.2.1 客戶端界面顯示異常...........................................................................................................2-4
2.2.2 網(wǎng)管服務(wù)器不能正常啟動...................................................................................................2-5
2.2.3 前后臺的配置數(shù)據(jù)不一致...................................................................................................2-5
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2.2.4 前后臺的狀態(tài)數(shù)據(jù)不一致................................................................................................... 2-6
2.2.5 前后臺告警時間不同........................................................................................................... 2-6
第3 章硬件類故障分析和處理............................................................................................................... 3-1
3.1 概述................................................................................................................................................ 3-1
3.1.1 時鐘類故障概述................................................................................................................... 3-1
3.1.2 鏈路類故障概述................................................................................................................... 3-2
3.1.3 啟動類故障概述................................................................................................................... 3-3
3.1.4 以太網(wǎng)通訊類故障概述....................................................................................................... 3-4
3.2 典型故障案例................................................................................................................................ 3-6
3.2.1 時鐘板輸出無時鐘故障....................................................................................................... 3-6
3.2.2 單板以太網(wǎng)通道故障........................................................................................................... 3-7
3.2.3 ROMB 硬件啟動故障........................................................................................................... 3-7
3.2.4 ROMB 單板與網(wǎng)管通訊故障............................................................................................... 3-8
3.2.5 RCB 硬件啟動故障............................................................................................................... 3-8
3.2.6 單板硬件啟動故障............................................................................................................... 3-9
3.2.7 單板光纖通訊故障............................................................................................................... 3-9
3.2.8 UIMC 或UIMU 以太網(wǎng)端口通訊故障.............................................................................. 3-10
3.2.9 機架風(fēng)扇啟動故障............................................................................................................. 3-10
3.2.10 ICM 單板不能鎖定光口提取的時鐘基準(zhǔn)的故障............................................................ 3-10
3.2.11 NodeB 側(cè)E1 通信鏈路產(chǎn)生滑碼的故障.......................................................................... 3-11
第4 章系統(tǒng)通訊類故障分析和處理....................................................................................................... 4-1
4.1 概述................................................................................................................................................ 4-1
4.2 分類故障處理................................................................................................................................ 4-1
4.2.1 SSCOP 鏈路長時間無消息響應(yīng)........................................................................................... 4-1
4.2.2 SSCOP 鏈路擁塞告警........................................................................................................... 4-2
4.2.3 SSCOP 鏈路過載告警........................................................................................................... 4-3
4.2.4 七號鏈路狀態(tài)異常告警....................................................................................................... 4-3
4.2.5 信令點不可達告警............................................................................................................... 4-6
4.2.6 七號鏈路不可用告警........................................................................................................... 4-7
4.2.7 Sccp 子系統(tǒng)不可用告警....................................................................................................... 4-8
4.2.8 NCP 鏈路故障告警............................................................................................................... 4-9
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4.2.9 CCP 鏈路故障告警................................................................................................................4-9
4.2.10 SSM 偶聯(lián)建立失敗通知...................................................................................................4-10
4.2.11 SSM 偶聯(lián)斷鏈告警...........................................................................................................4-10
4.2.12 SSM 偶聯(lián)擁塞告警........................................................................................................... 4-11
4.2.13 M3ua 局向不可達.............................................................................................................. 4-11
4.3 典型故障案例...............................................................................................................................4-12
4.3.1 ATM 的典型故障.................................................................................................................4-12
4.3.2 SSCOP 的典型故障.............................................................................................................4-13
4.3.3 ALCAP 的典型故障............................................................................................................4-16
4.3.4 七號部分的典型故障.........................................................................................................4-18
4.3.5 NCP 鏈路中斷......................................................................................................................4-19
4.3.6 CCP 鏈路中斷......................................................................................................................4-19
4.3.7 偶聯(lián)建立失敗（以RNC 和BME 之間采用IP 連接為例） ...........................................4-20
4.3.8 公共小區(qū)反復(fù)刪建（以RNC 和BME 之間采用IP 連接為例） ...................................4-25
第5 章軟件加載類故障分析和處理........................................................................................................5-1
5.1 概述................................................................................................................................................5-1
5.2 典型故障案例................................................................................................................................5-1
5.2.1 ROMP 版本更換失敗............................................................................................................5-1
5.2.2 ROMP 一做整表同步就重起................................................................................................5-2
5.2.3 FPGA 版本無法切換.............................................................................................................5-2
第6 章切換類故障分析和處理................................................................................................................6-1
6.1 概述................................................................................................................................................6-1
6.2 分類故障處理................................................................................................................................6-2
6.2.1 UE 不上報測量報告類故障..................................................................................................6-2
6.2.2 RNC 判決類故障（偽故障） ...............................................................................................6-3
6.2.3 切換流程失敗類故障...........................................................................................................6-4
6.3 典型故障案例................................................................................................................................6-5
6.3.1 無法觸發(fā)頻間盲切換...........................................................................................................6-5
6.3.2 頻間切換物理信道重配失敗...............................................................................................6-5
6.3.3 無法進行跨Iur 口軟切換.....................................................................................................6-6
6.3.4 軟切換成功率非常低（一） ...............................................................................................6-7
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6.3.5 軟切換成功率非常低（二） ............................................................................................... 6-7
第7 章無線負(fù)荷類故障分析和處理....................................................................................................... 7-1
7.1 概述................................................................................................................................................ 7-1
7.2 典型故障案例................................................................................................................................ 7-1
7.2.1 小區(qū)內(nèi)所有用戶的呼叫均被拒絕....................................................................................... 7-1
7.2.2 用戶請求被頻繁拒絕........................................................................................................... 7-2
7.2.3 小區(qū)負(fù)荷始終居高不下....................................................................................................... 7-3
7.2.4 Ping 包不通............................................................................................................................ 7-4
7.2.5 用戶業(yè)務(wù)QoS 差.................................................................................................................. 7-5
7.2.6 HCS 分層小區(qū)間負(fù)荷不均衡............................................................................................... 7-6
7.2.7 小區(qū)狀態(tài)設(shè)置的不正確導(dǎo)致的業(yè)務(wù)無法建立................................................................... 7-6
7.2.8 無線配置數(shù)據(jù)修改錯誤導(dǎo)致的接入率低........................................................................... 7-7
7.2.9 小區(qū)NCP 鏈路故障導(dǎo)致的業(yè)務(wù)中斷................................................................................. 7-8
7.2.10 移動臺有問題引起的業(yè)務(wù)無法運行................................................................................. 7-8
7.2.11 數(shù)據(jù)線故障引起的PS 業(yè)務(wù)QoS 很差.............................................................................. 7-9
7.2.12 網(wǎng)絡(luò)節(jié)點故障引起的業(yè)務(wù)中斷....................................................................................... 7-10
7.2.13 大量短消息集中發(fā)送造成的公共信道擁塞................................................................... 7-10
7.2.14 TRX 故障引起的小區(qū)負(fù)荷居高不下............................................................................... 7-11
7.2.15 底噪配置的不合理導(dǎo)致上行干擾很高........................................................................... 7-11
第8 章接入類故障分析和處理............................................................................................................... 8-1
8.1 概述................................................................................................................................................ 8-1
8.2 典型故障案例................................................................................................................................ 8-1
8.2.1 移動終端不發(fā)起初始RRC 連接過程................................................................................. 8-1
8.2.2 RNC 設(shè)備無法接收到移動終端的RRC 連接建立過程..................................................... 8-3
8.2.3 RNC 設(shè)備沒有足夠資源為移動終端建立RRC 連接......................................................... 8-3
8.2.4 RNC 設(shè)備與CN 設(shè)備的Iu 口通訊鏈路不通...................................................................... 8-4
第9 章無線業(yè)務(wù)承載類故障分析和處理............................................................................................... 9-1
9.1 概述................................................................................................................................................ 9-1
9.2 典型故障案例................................................................................................................................ 9-1
9.2.1 CS 域業(yè)務(wù)的Iu 口承載建立失敗......................................................................................... 9-1
9.2.2 PS 域業(yè)務(wù)的Iu 口承載建立失敗......................................................................................... 9-2
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9.2.3 業(yè)務(wù)的Iub 口承載建立失敗................................................................................................9-2
9.2.4 業(yè)務(wù)的Uu 口承載建立失敗.................................................................................................9-2
9.2.5 PS 域業(yè)務(wù)的QoS 不能滿足上層業(yè)務(wù)需求..........................................................................9-3
第10 章無線全局資源類故障................................................................................................................10-1
10.1 概述............................................................................................................................................10-1
10.2 典型故障案例.............................................................................................................................10-1
10.2.1 小區(qū)故障...........................................................................................................................10-1
10.2.2 公共信道故障...................................................................................................................10-2
10.2.3 系統(tǒng)信息廣播故障...........................................................................................................10-4
10.2.4 Iub 公共測量故障..............................................................................................................10-5
10.2.5 Iu 過載控制故障................................................................................................................10-6
附錄A 故障處理記錄表...........................................................................................................................A-1
附錄B 單板和部件更換........................................................................................................................... B-1
B.1 概述.............................................................................................................................................. B-1
B.2 單板的更換................................................................................................................................... B-1
B.3 部件的更換................................................................................................................................... B-2
B.4 風(fēng)扇小插箱的更換........................................................................................................................ B-3
B.5 光模塊的更換............................................................................................................................... B-4
B.6 BOOT ROM 的更換....................................................................................................................... B-4
B.7 主備倒換的方法............................................................................................................................ B-5
B.8 單板復(fù)位的方法............................................................................................................................ B-5
附錄C 運行信息說明............................................................................................................................... C-1
C.1 概述.............................................................................................................................................. C-1
C.2 指示燈控制規(guī)則............................................................................................................................ C-2
C.2.1 單板上電.............................................................................................................................. C-2
C.2.2 硬件復(fù)位.............................................................................................................................. C-3
C.2.3 拔板（ENUM）燈狀態(tài)說明.............................................................................................. C-3
C.2.4 主備用（ACT）燈狀態(tài)說明.............................................................................................. C-4
C.2.5 單板RUN、ALM 燈狀態(tài)組合及表示意義....................................................................... C-4
C.2.6 各單板中各特殊燈的說明.................................................................................................. C-5
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C.3 附加說明.......................................................................................................................................C-7
C.3.1 BOOT 中燈的狀態(tài)及實現(xiàn)...................................................................................................C-7
C.3.2 故障告警點燈......................................................................................................................C-7
C.3.3 ICM 燈狀態(tài)說明...................................................................................................................C-8
C.3.4 面板指示燈指示狀態(tài)說明..................................................................................................C-9
C.3.5 PWRD 單板指示燈說明.....................................................................................................C-10
C.3.6 時鐘丟失的點燈................................................................................................................C-11
附錄D 縮略語......................................................................................................................................... D-1