YDT1276-2003 基于SDH的多业务传送节点测试方法_.pdf

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1、ICS33.040.20yu中华人民共和国通信行业标准丫D/T1276-2003基于SDH的多业务传送节点测试方法TestingmethodsofSDHmulti-servicetransportplatform2003-06-05发布2003-06-05实施中华人民共和国信息产业部发布.www.bzxzk.com.YD/丁1276-2003目次前言·..............................................................................................

2、............................m1范围·····················································································································⋯⋯12规范性引用文件················································································.............····...⋯⋯13缩略语····

3、··············································································································⋯⋯14多业务传送节点设备概述··············································································....·...····⋯⋯35SDH测试···············································

4、·····························································⋯⋯45.1SDH光接口测试·····························································································⋯⋯45.1.1平均发送光功率(附自动关闭激光器后残余光功率)·······································⋯⋯45.1.2消光比······················

5、··········································································⋯⋯55.1.3发送信号波形(眼图)··············································································⋯⋯55.1.4激光器工作波长···············································································...⋯⋯65

6、.1.5最大均方根谱宽(。，)·······································································...⋯⋯65.1.6最大一20dB谱宽(a-.)······················································.....................⋯⋯75.1.7最小边模抑制比((SMSR)·······························································

7、·········⋯⋯75.1.8接收机灵敏度·······················································································⋯⋯85.1.9接收机过载功率···························，························································⋯⋯95.1.10光通道代价················································

8、··········································⋯⋯95.1.11接收机反射系数·············································