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···············································································...⋯⋯65.1.5最大均方根谱宽(。，)·························

6、··············································...⋯⋯65.1.6最大一20dB谱宽(a-.)······················································.....................⋯⋯75.1.7最小边模抑制比(SMSR)········································································⋯⋯75.1.8接收机灵敏度·······················

7、································································⋯⋯85.1.9接收机过载功率···························，························································⋯⋯95.1.10光通道代价··························································································⋯⋯95.1.11

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