UA5000一体化接入单元 故障处理手册
目 录
第5章 专线业务故障处理 ......................................................................................................... 5-1
5.1 概述 .................................................................................................................................... 5-1 5.2 MTA业务 ........................................................................................................................... 5-1
5.2.1 原理简介 .................................................................................................................. 5-1 5.2.2 常见故障处理方法 ................................................................................................... 5-1 5.2.3 故障案例及分析 ....................................................................................................... 5-3 5.3 HSL/SDL业务 .................................................................................................................... 5-3
5.3.1 原理简介 .................................................................................................................. 5-3 5.3.2 常见故障处理方法 ................................................................................................... 5-7 5.3.3 故障案例及分析 ..................................................................................................... 5-11 5.4 音频专线业务 ................................................................................................................... 5-12
5.4.1 原理简介 ................................................................................................................ 5-12 5.4.2 常见故障处理方法 ................................................................................................. 5-14 5.5 2M专线业务 ..................................................................................................................... 5-15
5.5.1 原理简介 ................................................................................................................ 5-15 5.5.2 常见故障处理方法 ................................................................................................. 5-16 5.6 SHDSL专线接入业务 ...................................................................................................... 5-17
5.6.1 原理简介 ................................................................................................................ 5-17 5.6.2 常见故障处理方法 ................................................................................................. 5-18
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