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

【資料作者】：華為

【資料日期】：見文章

【資料語言】：中文

【資料格式】：PDF

【資料目錄和簡介】：

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

2 維護工程師必讀............................................................................................................................2-1
2.1 維護目的.........................................................................................................................................................2-2
2.2 維護基本原則.................................................................................................................................................2-2
2.3 維護工具.........................................................................................................................................................2-4
2.4 維護工程師技能要求.....................................................................................................................................2-5
2.5 故障處理注意事項.........................................................................................................................................2-6
2.6 故障處理流程.................................................................................................................................................2-6
2.6.1 評估是否為緊急故障............................................................................................................................2-7
2.6.2 收集并記錄故障場景信息....................................................................................................................2-7
2.6.3 定位并排除故障....................................................................................................................................2-7
2.6.4 確認故障是否排除................................................................................................................................2-7
2.6.5 聯(lián)系華為技術支持................................................................................................................................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 儀表測試..............................................................................................................................................2-12
2.7.8 性能分析..............................................................................................................................................2-12
3 設備維護........................................................................................................................................3-1
3.1 站點維護.........................................................................................................................................................3-2
SmartAX MA5620/MA5626 遠端光接入單元
維護指南目 錄
文檔版本 03 (2010-12-15) 華為專有和保密信息
版權所有 © 華為技術有限公司
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3.2 告警和事件維護.............................................................................................................................................3-2
3.2.1 告警和事件基本設置............................................................................................................................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 機箱.......................................................................................................................4-12
5 EPON FTTx 業(yè)務故障處理.........................................................................................................5-1
5.1 ONU 狀態(tài)異常...............................................................................................................................................5-2
5.1.1 ONU 無法注冊......................................................................................................................................5-2
5.1.2 ONU 無法自動發(fā)現(xiàn)..............................................................................................................................5-6
5.1.3 ONU 頻繁掉線......................................................................................................................................5-8
5.2 FTTB 和FTTC 業(yè)務故障（OLT+MDU）...................................................................................................5-9
5.2.1 上網(wǎng)業(yè)務故障（MDU 采用LAN 接入） ........................................................................................5-10
5.2.2 組播業(yè)務故障......................................................................................................................................5-23
5.2.3 語音業(yè)務故障......................................................................................................................................5-44
6 GPON FTTx 業(yè)務故障處理........................................................................................................6-1
6.1 ONU 狀態(tài)異常...............................................................................................................................................6-2
6.1.1 ONU 無法注冊......................................................................................................................................6-2
6.1.2 ONU 無法自動發(fā)現(xiàn)..............................................................................................................................6-7
6.1.3 ONU 頻繁掉線......................................................................................................................................6-8
6.2 FTTB 和FTTC 業(yè)務故障（OLT+MDU）.................................................................................................6-10
6.2.1 上網(wǎng)業(yè)務故障（MDU 采用LAN 接入） ........................................................................................6-10
6.2.2 組播業(yè)務故障......................................................................................................................................6-23
6.2.3 語音業(yè)務故障......................................................................................................................................6-44