【資料名稱】：OptiX 光傳輸系統(tǒng) 故障排除案例集錦

【資料作者】：不詳

【資料日期】：不詳

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

1 業(yè)務(wù)中斷的處理........................................................................1
1.1 更換光板類型錯(cuò)誤導(dǎo)致對(duì)端收光不正常.........................1
1.2 GTC 板故障導(dǎo)致業(yè)務(wù)中斷..............................................4
1.3 接收端有光功率但R16 報(bào)R-LOS 的故障處理..............6
1.4 時(shí)鐘板性能不好導(dǎo)致業(yè)務(wù)異常.......................................8
1.5 支路板報(bào)T-LOTC 告警影響業(yè)務(wù).................................10
1.6 光纜維修后超長(zhǎng)距光板報(bào)R-LOS 告警........................12
2 保護(hù)倒換問(wèn)題的處理..............................................................14
2.1 光纖接錯(cuò)導(dǎo)致的奇怪現(xiàn)象之一.....................................14
2.2 光纜熔接導(dǎo)致的奇怪現(xiàn)象之二.....................................16
2.3 光纖自環(huán)導(dǎo)致的業(yè)務(wù)中斷............................................19
2.4 業(yè)務(wù)配置錯(cuò)誤導(dǎo)致SNCP 保護(hù)失敗.............................21
2.5 通道保護(hù)屬性設(shè)置錯(cuò)誤斷纖后業(yè)務(wù)未保護(hù)...................23
2.6 斷纖測(cè)試時(shí)部分站點(diǎn)通道保護(hù)失敗..............................25
2.7 通道保護(hù)倒換始終不恢復(fù)............................................27
2.8 復(fù)用段倒換狀態(tài)不正常的處理.....................................29
2.9 復(fù)用段節(jié)點(diǎn)參數(shù)設(shè)置錯(cuò)誤引起倒換失敗......................31
2.10 網(wǎng)元處于安裝態(tài)復(fù)用段倒換異常...............................33
2.11 光路誤碼復(fù)用段未倒換..............................................34
2.12 下插MS-RDI 告警導(dǎo)致復(fù)用段倒換失敗....................36
2.13 穿通業(yè)務(wù)有時(shí)分的節(jié)點(diǎn)失效后對(duì)業(yè)務(wù)的影響.............38
3 誤碼問(wèn)題的處理.....................................................................39
3.1 溫度過(guò)高產(chǎn)生誤碼的案例............................................39
3.2 交叉板故障導(dǎo)致部分通道誤碼.....................................41
3.3 收光功率過(guò)低產(chǎn)生誤碼的案例.....................................43
3.4 線路板故障導(dǎo)致部分通道誤碼.....................................45
3.5 色散過(guò)大導(dǎo)致光路誤碼................................................47
4 指針調(diào)整的處理.....................................................................49
4.1 時(shí)鐘跟蹤配置錯(cuò)誤引起斷纖后指針調(diào)整......................49
4.2 時(shí)鐘板故障引起指針調(diào)整............................................51
4.3 時(shí)鐘板故障引起AU 指針調(diào)整.....................................53
4.4 光纖接反引起時(shí)鐘互鎖案例........................................55
4.5 溫度過(guò)高引起指針調(diào)整................................................57
5 電源防雷與接地..................................................................59
5.1 一個(gè)PLB 防雷盒接入兩路電源造成業(yè)務(wù)中斷..............59
5.2 PGND 與交流零線共地引起的業(yè)務(wù)中斷.......................62
5.3 電源端子保險(xiǎn)容量偏小導(dǎo)致設(shè)備掉電..........................64
5.4 電源設(shè)備熔斷器損壞造成傳輸設(shè)備輸入電壓異常........66
5.5 大功率電機(jī)接地不良對(duì)傳輸設(shè)備產(chǎn)生干擾...................68
5.6 傳輸基站PGND 不共地引起的基站滑碼.................70
5.7 PGND 接地不良造成單板頻繁損壞..............................72
5.8 E1 接口引入的雷擊......................................................74
6 網(wǎng)管監(jiān)控與通信......................................................................76
6.1 網(wǎng)線制作不當(dāng)導(dǎo)致網(wǎng)管和網(wǎng)元通信出現(xiàn)問(wèn)題...............76
6.2 業(yè)務(wù)路由和ECC 路由的混淆引起的誤解....................77
6.3 多套網(wǎng)管使用相同網(wǎng)元用戶監(jiān)控網(wǎng)絡(luò)導(dǎo)致告警信息無(wú)法
自動(dòng)上報(bào)............................................................................79
6.4 告警過(guò)多導(dǎo)致部分告警被清除掉.................................81
6.5 上傳方式錯(cuò)誤導(dǎo)致原有數(shù)據(jù)庫(kù)倒入后異常...................82
6.6 網(wǎng)管性能數(shù)據(jù)庫(kù)過(guò)大導(dǎo)致網(wǎng)管異常退出......................83
7 設(shè)備對(duì)接問(wèn)題.........................................................................85
7.1 C2 字節(jié)失配導(dǎo)致SDH 設(shè)備155M 光口與C 公司路由器
對(duì)接失敗............................................................................85
7.2 某廠家DDF 架2M頭使用無(wú)源阻抗轉(zhuǎn)換電路導(dǎo)致傳輸業(yè)
務(wù)測(cè)試不通.........................................................................87
7.3 交換側(cè)使用單板錯(cuò)誤導(dǎo)致對(duì)接不成功..........................89
7.4 PDH 設(shè)備輸入抖動(dòng)容限不合格導(dǎo)致對(duì)接不成功...........90
7.5 交換側(cè)原因?qū)е履惩ǖ李l繁上報(bào)T-ALOS 告警...........92
7.6 OptiX 2500+設(shè)備與C 公司POS 系統(tǒng)對(duì)接時(shí)不成功....94
7.7 中繼線工藝問(wèn)題導(dǎo)致與交換對(duì)接不成功......................95
8 波分問(wèn)題................................................................................97
8.1 OTU 處尾纖自環(huán)導(dǎo)致的割接失敗.................................97
8.2 誤碼的定位和解決.......................................................99
8.3 光路瞬斷的定位.........................................................102
8.4 錯(cuò)誤的測(cè)試方法導(dǎo)致插損測(cè)試值超標(biāo).................104
8.5 WLA 的MON 口和OUT 端口尾纖錯(cuò)接導(dǎo)致下站W(wǎng)BA接
收光功率過(guò)低...................................................................105
9 其他問(wèn)題..............................................................................106
9.1 64K 業(yè)務(wù)配置不當(dāng)導(dǎo)致斷纖無(wú)保護(hù)............................106
9.2 TDA 音頻電纜接地不當(dāng)造成單板雷擊損壞.................108
9.3 時(shí)鐘板故障導(dǎo)致公務(wù)異常..........................................109
9.4 鼠害引起單板不在位的案例......................................111
9.5 D75 接口電路板松脫導(dǎo)致業(yè)務(wù)中斷............................113
9.6 光板光模塊波長(zhǎng)不一致導(dǎo)致光路衰耗不同.................115