查看: 2612|回复: 18

[运营商/设备商] 华为光网络维护宝典   [复制链接]

Rank: 4

贡献值
204
金币
578
帖子
102
发表于 2013-2-1 09:08:10 |显示全部楼层
修改记录  ........................................................................................................................................... xii
1 概述  ...............................................................................................................................................  1-1
2 波分产品维护 SOP .....................................................................................................................  2-1
2.1 波分设备日常维护 SOP 简介  .....................................................................................................................  2-1
2.2 波分设备日常维护 SOP 工序介绍  .............................................................................................................  2-1
2.3 日常维护SOP Checklist  ..............................................................................................................................  2-1
2.4 ASON 维护 SOP Checklist  ...........................................................................................................................  2-2
3 波分故障定位指导 ......................................................................................................................  3-1
3.1 故障定位前的准备  ......................................................................................................................................  3-1
3.2 故障定位基本原则  ......................................................................................................................................  3-2
3.3 故障分析方法  ..............................................................................................................................................  3-3
3.3.1 信号流分析法.....................................................................................................................................  3-4
3.3.2 告警、性能分析法  .............................................................................................................................  3-4
3.3.3 环回法 ................................................................................................................................................  3-5
3.3.4 替换法 ................................................................................................................................................  3-6
3.3.5 配置数据分析法  .................................................................................................................................  3-7
3.3.6 仪表测试法 ........................................................................................................................................  3-7
3.3.7 经验法 ................................................................................................................................................  3-8
3.3.8 RMON性能分析法  .............................................................................................................................  3-8
4 波分应急故障处理指导 ..............................................................................................................  4-1
4.1 故障处理总流程  ..........................................................................................................................................  4-2
4.2 流程说明  ......................................................................................................................................................  4-3
4.3 波分网上问题处理&事故处理  ...................................................................................................................  4-3
4.4 故障处理保障准备  ......................................................................................................................................  4-4
4.4.1 日常维护操作.....................................................................................................................................  4-4
4.4.2 准备工程信息.....................................................................................................................................  4-4
4.4.3 对维护人员的要求  .............................................................................................................................  4-5
4.4.4 准备工具和仪表  .................................................................................................................................  4-6
4.5 应急处理流程  ..............................................................................................................................................  4-6  
4.5.1 业务中断应急处理流程  .....................................................................................................................  4-7
4.6 光功率异常处理子流程  ............................................................................................................................  4-10
4.6.1 流程图一 ..........................................................................................................................................  4-11
4.6.2 流程图二 ..........................................................................................................................................  4-12
4.6.3 光功率异常处理流程说明  ...............................................................................................................  4-12
4.7 误码故障处理子流程  ................................................................................................................................  4-13
4.7.1 流程图 ..............................................................................................................................................  4-14
4.7.2 误码故障处理流程说明  ...................................................................................................................  4-15
4.8 环回法故障定位说明  ................................................................................................................................  4-16
4.9 GE,Any,客户侧业务中断  ........................................................................................................................  4-20
4.9.1 无保护情况下的故障处理  ...............................................................................................................  4-20
4.9.2 有保护情况下的故障处理  ...............................................................................................................  4-21
4.10  子波长(ODUk)业务中断 ...................................................................................................................  4-22
4.10.1  无保护情况下的故障处理  .............................................................................................................  4-22
4.10.2  有保护情况下的故障处理  .............................................................................................................  4-23
4.11 单波业务中断  ..........................................................................................................................................  4-23
4.11.1 无保护情况下的故障处理  .............................................................................................................  4-23
4.11.2 有保护情况下的故障处理  .............................................................................................................  4-25
4.12  多波业务中断  ..........................................................................................................................................  4-25
4.12.1  无保护情况下的故障处理  .............................................................................................................  4-25
4.12.2  有保护情况下的故障处理  .............................................................................................................  4-27
4.13  业务无法自动恢复  ..................................................................................................................................  4-28
4.14  人为误操作导致业务中断  ......................................................................................................................  4-28
5 波分与其他产品对接故障定位 ..................................................................................................  5-1
5.1 波分和路由器对接设计约束  ......................................................................................................................  5-1
5.1.1 遵循标准 ............................................................................................................................................  5-1
5.1.2 波分组网配置保护时对接配置检查  .................................................................................................  5-2
5.1.3 波分组网未配置保护时对接配置检查  .............................................................................................  5-3
5.2 对接场景常见定位方法  ..............................................................................................................................  5-4
6 附录——波分典型故障案例 ......................................................................................................  6-1
6.1 波分系统类  ..................................................................................................................................................  6-1
6.1.1 由于光纤反射造成波分 OTU单板上报误码  ...................................................................................  6-1
6.1.2 线路光缆故障导致业务中断的案例  .................................................................................................  6-2
6.1.3 频繁断纤导致线路衰减变大,导致 OTU单板上报IN_PWR_LOW 告警。  ...............................  6-4
6.1.4 色散模块混合补偿造成波道性能不一致  .........................................................................................  6-5
6.1.5 波数较少情况下系统无法开通  .........................................................................................................  6-8
6.1.6 环境温度过高导致多块单板的电源模块上报 POWER_FAIL 告警  ...............................................  6-9
6.1.7 波分侧纠前误码率变化范围过大  ...................................................................................................  6-10
6.1.8 超长单跨系统业务无法开通  ...........................................................................................................  6-11  
6.1.9 系统调测精度不足导致系统性能较差  ...........................................................................................  6-12
6.1.10  某网络 40G 业务无法开通问题  ....................................................................................................  6-13
6.1.11 色散拓扑影响系统性能  .................................................................................................................  6-16
6.1.12 高 PMD对 40G 业务影响  .............................................................................................................  6-17
6.1.13  线路功率调节不当导致 40G 性能劣化  ........................................................................................  6-19
6.1.14 40G 系统长期挂表测试发现零星误码  ..........................................................................................  6-21
6.1.15 T国A局点不同码型在同样色散配置环境下性能表现不一致  ..................................................  6-24
6.1.16 T国S局点入纤光功率过高导致OTU单板性能差  ....................................................................  6-26
6.1.17 T国S局点某单板在输入有光时单板上报 R_LOS 告警 ............................................................  6-28
6.1.18 S国T局点某单板插损异常  ..........................................................................................................  6-29
6.2 数据配置类  ................................................................................................................................................  6-32
6.2.1 某局点大量单板上报 BUS_ERR告警 ...........................................................................................  6-32
6.2.2 OptiX OSN 6800新开局时,TQM单板进行电交叉业务配置时出现―通道号非法‖  ..................  6-33
6.2.3 LSX 单板接入10GE LAN 业务,客户侧模式设置不一致,导致上报OTUk_LOF 告警  ..........  6-34
6.2.4 更改网元最大路由跳数导致备用网关不可用  ...............................................................................  6-35
6.2.5 子架连接冲突导致网元内部通信异常  ...........................................................................................  6-36
6.2.6 因单板时钟配置错误,导致LQG单板工作异常问题  .................................................................  6-37
6.2.7 T 局点扩容一块OTU单板导致另外一个波长业务中断 ..............................................................  6-38
6.2.8 S 局点跨网元波锁不调节案例.........................................................................................................  6-40
6.2.9 OSN6800 智能局点,建立光层智能业务时,对端上报IN_PWR_LOW 告警 ...........................  6-42
6.2.10 OptiX OSN 6800 设备无法创建GE 端到端业务  ..........................................................................  6-43
6.2.11 L4G 单板业务模式配置不一致导致 EPL 业务中断  .....................................................................  6-43
6.2.12  光缆中断,但网管界面上与FIU 相连的逻辑连纤未变红  .........................................................  6-45
6.2.13 TN52TQX 在 TN1K1AFB子架上报 BUS_ERR  ...........................................................................  6-46
6.2.14 C国 Z局点网元配置数据无法上载  ..............................................................................................  6-48
6.2.15  设备掉电重新启动后业务中断  .....................................................................................................  6-50
6.2.16 OTN 设备同步以太网时钟透传运用  .............................................................................................  6-52
6.2.17 TQX 单板接入  10GE LAN 业务修改业务映射路径出错 ...........................................................  6-54
6.2.18 TN11OAU&TN12OAU 上报VOA_ADJUST_FAIL 告警且可设置增益范围异常 ....................  6-55
6.3 现场操作类  ................................................................................................................................................  6-56
6.3.1 光纤连接错误导致 SNCP 保护倒换失败  .......................................................................................  6-56
6.3.2 更换单板后单板软件无法自动匹配成功  .......................................................................................  6-58
6.3.3 OptiX OSN 6800直流配电盒外部电源线接线错误,导致列头柜一路掉电后两子架均掉电  ....  6-59
6.3.4 使用自制网线导致OSN6800 上报COMMUN_FAIL 告警  ..........................................................  6-60
6.3.5 6800 产品 EFI 单板上 COM口网线连接错误导致子架内所有单板上报 COMMUN_FAIL告警
  ....................................................................................................................................................................  6-61
6.3.6 防尘网堵塞导致单板故障业务中断  ...............................................................................................  6-62
6.3.7 高功率RAMAN 放大器与ODF 架熔纤不当引起故障  ................................................................  6-63
6.3.8 OSN 1800 设备LWX2单板业务速率设置错误导致业务无法开通 .............................................  6-64
6.3.9 单跨网络因DCM放置错误导致系统无法调通  ............................................................................  6-66 6.3.10  现网光缆连接头与新增设备跳线连接头不匹配导致系统无法调通  .........................................  6-68
6.3.11 多次更换主控失败  .........................................................................................................................  6-69
6.4 保护配置类  ................................................................................................................................................  6-71
6.4.1 修改网元 ID后 OSN1800 设备板内 1+1保护无法正常倒换  .......................................................  6-71
6.4.2 波分SNCP 保护类型配置错误导致倒换失败  ...............................................................................  6-72
6.4.3 SNCP保护无法正常倒换  .................................................................................................................  6-73
6.5 版本匹配类  ................................................................................................................................................  6-74
6.5.1 OSN8800 更换主控后主备主控无法倒换  .......................................................................................  6-74
6.5.2 OSN8800 网元,更换OTU 单板备件后,发现单板不开工  .........................................................  6-75
6.6 专业服务类  ................................................................................................................................................  6-76
6.6.1 10G升级 40G  ....................................................................................................................................  6-76
6.6.2 OTN 网络评估优化 ..........................................................................................................................  6-79
6.6.3 用OTN设备替换老网设备 ............................................................................................................  6-82
6.6.4 波分环40 波升 80波  .......................................................................................................................  6-85
6.6.5 OLP 保护改造  ...................................................................................................................................  6-88
附录——波分告警信号流 ..........................................................................................................  7-1
7.1 相关知识准备  ..............................................................................................................................................  7-2
7.2 非汇聚型OTU 处理 SDH 标准信号  ..........................................................................................................  7-2
7.3 非汇聚型OTU 处理 OTN 标准信号  ..........................................................................................................  7-5
7.4 汇聚型 OTU处理SDH标准信号  ..............................................................................................................  7-8
7.5 汇聚型 OTU处理OTN标准信号  ............................................................................................................  7-11
7.6 中继型 OTU...............................................................................................................................................  7-14
7.7 带交叉功能 OTU处理告警信号  ..............................................................................................................  7-16
7.8 OTU 处理以太网业务信号  ........................................................................................................................  7-17
7.9 OTN 处理光层告警信号  ............................................................................................................................  7-20
附录——波分告警抑制关系 ......................................................................................................  8-1
8.1 告警之间抑制关系  ......................................................................................................................................  8-1
8.1.1 OTN 类告警抑制 ................................................................................................................................  8-1
8.1.2 SDH 业务类告警和常见设备类告警抑制  .........................................................................................  8-4
8.2 告警抑制性能事件  ......................................................................................................................................  8-5
附录——OTN  保护配置方案  ...................................................................................................  9-1
9.1 客户侧 1+1 保护(OTU 1+1).................................................................................................................  9-2
9.2 光线路保护(OLP) ..................................................................................................................................  9-2
9.3 ODUk SNCP(OTN 1+1 通道保护)  .......................................................................................................  9-3
0 附录——WDM 配置任务流  ..................................................................................................  10-1
1 附录——波分系统评估指导 ..................................................................................................  11-1
11.1 OTU 单板性能自检  ..................................................................................................................................  11-1

华为光网络维护宝典 - OFweek论坛 - 1.jpg

华为光网络维护宝典.pdf (4.79 MB, 下载次数: 70)

举报

专家

顺其自然

Rank: 8Rank: 8

贡献值
8483
金币
61184
帖子
12576

优秀会员 发帖达人 OFweek技术员 OFweek认证会员 论坛明星

发表于 2013-2-2 15:04:22 |显示全部楼层
谢谢分享。

Rank: 1

贡献值
22
金币
3
帖子
39
发表于 2014-2-17 16:27:25 |显示全部楼层
我要下载学习。

Rank: 1

贡献值
22
金币
3
帖子
39
发表于 2014-2-17 16:29:42 |显示全部楼层
为啥不能下载,
1

查看全部评分

Rank: 1

贡献值
22
金币
3
帖子
39
发表于 2014-2-17 16:34:07 |显示全部楼层
捞积分,回复。

Rank: 1

贡献值
22
金币
3
帖子
39
发表于 2014-2-17 16:38:19 |显示全部楼层
捞积分,回复。

Rank: 1

贡献值
8
金币
8
帖子
5
发表于 2014-4-16 15:32:35 |显示全部楼层
值得学习,感谢分享

Rank: 3Rank: 3

贡献值
52
金币
124
帖子
92
发表于 2014-4-19 18:07:53 |显示全部楼层
谢谢楼主分享这么有用的好东东。

Rank: 3Rank: 3

贡献值
52
金币
173
帖子
73
发表于 2014-4-21 16:29:18 |显示全部楼层
!!!!!!!!!!!!!!

Rank: 1

贡献值
15
金币
3
帖子
27
发表于 2014-5-4 09:41:26 |显示全部楼层
我要下载学习。
您需要登录后才可以回帖 登录 | 注册

免责声明|Archiver| OFweek论坛 ( 粤ICP备06087881号-1 )   

GMT+8, 2018-1-18 19:46 , Processed in 0.457048 second(s), 43 queries .

Powered by OFweek中国高科技行业门户