【資料成文時(shí)間】：2007.05.30
【語言】：中文
【頁數(shù)】：123
【何人（公司）所著】：中興公司
【文件格式】：PDF
【文件原名】：ZXC10 CBTS I2 維護(hù)手冊(cè).pdf
【摘要或目錄】：
第1 章 安全說明.......................................................................................................................................1-1
1.1 安全說明........................................................................................................................................1-1
1.2 符號(hào)說明........................................................................................................................................1-1
第2 章 維護(hù)概述.......................................................................................................................................2-1
2.1 日常維護(hù)的分類.............................................................................................................................2-1
2.2 維護(hù)常用方法................................................................................................................................2-1
2.2.1 故障現(xiàn)象分析.......................................................................................................................2-1
2.2.2 指示燈狀態(tài)分析...................................................................................................................2-2
2.2.3 告警和日志分析...................................................................................................................2-2
2.2.4 業(yè)務(wù)觀察分析.......................................................................................................................2-2
2.2.5 信令跟蹤分析.......................................................................................................................2-3
2.2.6 儀器儀表測(cè)試分析...............................................................................................................2-3
2.2.7 對(duì)比互換...............................................................................................................................2-3
2.3 日常維護(hù)中的注意事項(xiàng).................................................................................................................2-3
第3 章 設(shè)備維護(hù)信息收集........................................................................................................................3-1
3.1 BTS 基本維護(hù)信息收集..................................................................................................................3-1
3.2 BTS 版本信息.................................................................................................................................3-2
第4 章 例行維護(hù).......................................................................................................................................4-1
4.1 概述................................................................................................................................................4-1
4.2 每月例行維護(hù)................................................................................................................................4-2
4.3 每季例行維護(hù)項(xiàng)目.........................................................................................................................4-4
4.4 每年度例行維護(hù)項(xiàng)目.....................................................................................................................4-6
第5 章 故障分析定位和排除....................................................................................................................5-1
5.1 時(shí)鐘系統(tǒng)告警................................................................................................................................5-1
5.1.1 未探測(cè)到GCM.....................................................................................................................5-3
5.1.2 時(shí)延告警（GPS 無法鎖定衛(wèi)星） .......................................................................................5-4
5.1.3 GPS 天饋斷路........................................................................................................................5-6
5.1.4 GPS 初始化失敗.................................................................................................................... 5-7
5.2 射頻系統(tǒng)告警................................................................................................................................ 5-9
5.2.1 RFE 駐波比異常.................................................................................................................... 5-9
5.2.2 未探測(cè)到RFE..................................................................................................................... 5-10
5.2.3 未探測(cè)到TRX.................................................................................................................... 5-12
5.2.4 未探測(cè)到PA....................................................................................................................... 5-12
5.3 傳輸系統(tǒng)告警............................................................................................................................... 5-13
5.3.1 未探測(cè)到DSM ................................................................................................................... 5-13
5.3.2 DSM 上的HW 單元告警.................................................................................................... 5-14
5.3.3 DSM 上/下行E10 告警....................................................................................................... 5-15
5.4 數(shù)字處理系統(tǒng)告警....................................................................................................................... 5-16
5.4.1 未探測(cè)到CCM/CBM......................................................................................................... 5-16
5.4.2 未探測(cè)到CHM................................................................................................................... 5-17
5.4.3 未探測(cè)到SAM ................................................................................................................... 5-19
5.4.4 模塊物理地址與數(shù)據(jù)庫配置不一致................................................................................. 5-20
5.5 語音業(yè)務(wù)性能告警....................................................................................................................... 5-21
5.5.1 小區(qū)語音呼叫失敗率告警................................................................................................. 5-21
5.5.2 小區(qū)語音切換失敗率告警................................................................................................. 5-22
5.5.3 全局語音切換失敗率告警................................................................................................. 5-23
5.5.4 小區(qū)語音掉話率告警......................................................................................................... 5-24
第6 章 運(yùn)行異常信息處理....................................................................................................................... 6-1
6.1 概述................................................................................................................................................ 6-1
6.2 呼叫失敗異常信息......................................................................................................................... 6-1
6.2.1 MSC 發(fā)起釋放...................................................................................................................... 6-1
6.2.2 未收到反向業(yè)務(wù)信道前綴................................................................................................... 6-2
6.2.3 MS 發(fā)起釋放......................................................................................................................... 6-2
6.2.4 反向刪除幀太多................................................................................................................... 6-2
6.2.5 業(yè)務(wù)協(xié)商失敗....................................................................................................................... 6-3
6.2.6 A8 建立定時(shí)器超時(shí)失敗...................................................................................................... 6-3
6.2.7 RLP 激活失敗........................................................................................................................ 6-3
6.2.8 反向補(bǔ)充信道建立超時(shí)....................................................................................................... 6-4
6.2.9 反向補(bǔ)充信道速率判決失敗...............................................................................................6-4
6.3 釋放失敗異常信息.........................................................................................................................6-4
6.3.1 反向刪除幀太多...................................................................................................................6-4
6.3.2 反向無幀...............................................................................................................................6-5
6.3.3 占用資源置忙失敗...............................................................................................................6-5
6.3.4 基本信道釋放超時(shí)或補(bǔ)充信道釋放超時(shí)............................................................................6-5
6.3.5 補(bǔ)充信道釋放時(shí)信道板釋放失敗.......................................................................................6-6
6.4 切換失敗異常信息.........................................................................................................................6-6
6.4.1 未收到反向業(yè)務(wù)信道前綴...................................................................................................6-6
6.4.2 反向刪除幀太多...................................................................................................................6-6
6.5 其他性能統(tǒng)計(jì)異常信息.................................................................................................................6-7
6.6 用戶反映異�，F(xiàn)象.........................................................................................................................6-8
6.6.1 無法撥打電話.......................................................................................................................6-8
6.6.2 起呼困難或呼叫成功率低...................................................................................................6-9
6.6.3 通話語音斷續(xù)..................................................................................................................... 6-11
6.6.4 掉話嚴(yán)重.............................................................................................................................6-15
6.6.5 數(shù)據(jù)業(yè)務(wù)呼叫無法進(jìn)行.....................................................................................................6-16
6.6.6 上網(wǎng)速度慢.........................................................................................................................6-18
6.6.7 通話回音.............................................................................................................................6-20
6.6.8 基站覆蓋范圍小.................................................................................................................6-21
6.6.9 移動(dòng)臺(tái)顯示信號(hào)時(shí)大時(shí)小.................................................................................................6-23
第7 章 單板及部件更換............................................................................................................................7-1
7.1 概述................................................................................................................................................7-1
7.2 更換注意事項(xiàng)和備件的科學(xué)管理.................................................................................................7-1
7.3 BTS 前面單板更換..........................................................................................................................7-2
7.3.1 取出準(zhǔn)備...............................................................................................................................7-3
7.3.2 取出單板...............................................................................................................................7-3
7.3.3 單板安裝準(zhǔn)備.......................................................................................................................7-4
7.3.4 安裝單板...............................................................................................................................7-4
7.3.5 取出準(zhǔn)備...............................................................................................................................7-4
7.3.6 取出單板...............................................................................................................................7-5
7.3.7 單板安裝準(zhǔn)備....................................................................................................................... 7-5
7.3.8 安裝單板............................................................................................................................... 7-5