【資料名稱】：MA5620&MA5626_維護(hù)指南(V800R308C00_03)

【資料作者】：華為

【資料日期】：見(jiàn)文章

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

本文檔介紹MA5620/MA5626 的例行維護(hù)指導(dǎo)、更換部件方法以及故障處理指導(dǎo)。閱讀
本文檔能指導(dǎo)讀者完成設(shè)備的例行維護(hù)、更換部件、故障處理任務(wù)。

2 維護(hù)工程師必讀............................................................................................................................2-1
2.1 維護(hù)目的.........................................................................................................................................................2-2
2.2 維護(hù)基本原則.................................................................................................................................................2-2
2.3 維護(hù)工具.........................................................................................................................................................2-4
2.4 維護(hù)工程師技能要求.....................................................................................................................................2-5
2.5 故障處理注意事項(xiàng).........................................................................................................................................2-6
2.6 故障處理流程.................................................................................................................................................2-6
2.6.1 評(píng)估是否為緊急故障............................................................................................................................2-7
2.6.2 收集并記錄故障場(chǎng)景信息....................................................................................................................2-7
2.6.3 定位并排除故障....................................................................................................................................2-7
2.6.4 確認(rèn)故障是否排除................................................................................................................................2-7
2.6.5 聯(lián)系華為技術(shù)支持................................................................................................................................2-7
2.7 故障處理常用方法.........................................................................................................................................2-9
2.7.1 配置數(shù)據(jù)分析......................................................................................................................................2-10
2.7.2 告警分析..............................................................................................................................................2-10
2.7.3 對(duì)比分析..............................................................................................................................................2-11
2.7.4 互換分析..............................................................................................................................................2-11
2.7.5 分段處理..............................................................................................................................................2-11
2.7.6 協(xié)議分析..............................................................................................................................................2-11
2.7.7 儀表測(cè)試..............................................................................................................................................2-12
2.7.8 性能分析..............................................................................................................................................2-12
3 設(shè)備維護(hù)........................................................................................................................................3-1
3.1 站點(diǎn)維護(hù).........................................................................................................................................................3-2
SmartAX MA5620/MA5626 遠(yuǎn)端光接入單元
維護(hù)指南目 錄
文檔版本 03 (2010-12-15) 華為專有和保密信息
版權(quán)所有 © 華為技術(shù)有限公司
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3.2 告警和事件維護(hù).............................................................................................................................................3-2
3.2.1 告警和事件基本設(shè)置............................................................................................................................3-2
3.2.2 監(jiān)控網(wǎng)元重要和緊急告警....................................................................................................................3-9
3.3 操作用戶檢查...............................................................................................................................................3-12
3.3.1 檢查操作用戶級(jí)別..............................................................................................................................3-12
3.3.2 更改操作用戶密碼..............................................................................................................................3-15
3.3.3 檢查操作用戶日志..............................................................................................................................3-16
3.4 周期性保存與備份網(wǎng)元數(shù)據(jù).......................................................................................................................3-17
3.4.1 按默認(rèn)策略保存與備份......................................................................................................................3-18
3.4.2 按自定義策略保存與備份..................................................................................................................3-19
3.5 立即保存網(wǎng)元數(shù)據(jù).......................................................................................................................................3-23
3.6 立即備份網(wǎng)元數(shù)據(jù).......................................................................................................................................3-24
3.7 立即恢復(fù)網(wǎng)元數(shù)據(jù).......................................................................................................................................3-26
4 更換部件........................................................................................................................................4-1
4.1 更換線纜.........................................................................................................................................................4-2
4.1.1 更換交流電源線....................................................................................................................................4-2
4.1.2 更換保護(hù)地線........................................................................................................................................4-4
4.1.3 更換POTS 用戶電纜............................................................................................................................4-5
4.1.4 更換網(wǎng)線................................................................................................................................................4-7
4.1.5 更換光纖................................................................................................................................................4-9
4.2 更換光模塊...................................................................................................................................................4-10
4.3 更換MA5620/MA5626 機(jī)箱.......................................................................................................................4-12
5 EPON FTTx 業(yè)務(wù)故障處理.........................................................................................................5-1
5.1 ONU 狀態(tài)異常...............................................................................................................................................5-2
5.1.1 ONU 無(wú)法注冊(cè)......................................................................................................................................5-2
5.1.2 ONU 無(wú)法自動(dòng)發(fā)現(xiàn)..............................................................................................................................5-6
5.1.3 ONU 頻繁掉線......................................................................................................................................5-8
5.2 FTTB 和FTTC 業(yè)務(wù)故障（OLT+MDU）...................................................................................................5-9
5.2.1 上網(wǎng)業(yè)務(wù)故障（MDU 采用LAN 接入） ........................................................................................5-10
5.2.2 組播業(yè)務(wù)故障......................................................................................................................................5-23
5.2.3 語(yǔ)音業(yè)務(wù)故障......................................................................................................................................5-44
6 GPON FTTx 業(yè)務(wù)故障處理........................................................................................................6-1
6.1 ONU 狀態(tài)異常...............................................................................................................................................6-2
6.1.1 ONU 無(wú)法注冊(cè)......................................................................................................................................6-2
6.1.2 ONU 無(wú)法自動(dòng)發(fā)現(xiàn)..............................................................................................................................6-7
6.1.3 ONU 頻繁掉線......................................................................................................................................6-8
6.2 FTTB 和FTTC 業(yè)務(wù)故障（OLT+MDU）.................................................................................................6-10
6.2.1 上網(wǎng)業(yè)務(wù)故障（MDU 采用LAN 接入） ........................................................................................6-10
6.2.2 組播業(yè)務(wù)故障......................................................................................................................................6-23
6.2.3 語(yǔ)音業(yè)務(wù)故障......................................................................................................................................6-44