ydt 1250-2003 接入网设备测试方法-基于atm的无源光网络(apon)

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1、ICS33.040.50M42YU中华人民共和国通信行业标准YD/T1250-2003接入网测试方法—基于ATM的无源光网络(A-PON)Testmethodforaccessnetwork-passiveopticalnetworkbasedonATM(A-PON2003-01-22发布2003-01-22实施中华人民共和国信息产业部发布YD/T1250-2003目次前言······..................................········，··，····，·····“····

2、·，···········，·········‘·‘····‘············，⋯⋯m1范围······················································，。··。·······················，··，，··，···。··············。·····，···。，⋯12规范性引用文件···················‘······················，··························，·，···

3、·························⋯⋯13缩略语···························，························································································一14A-PON系统参考配置及测试参考点定义····································································⋯⋯24.1A-PON系统参考配置

4、44····，···········。·······，·····················································一24.2测试参考点定义·......................................··........................·····....................⋯35OLT,ONU线路传输光接口的特性测试···········，·，，-·。·····················，···········

5、···········⋯⋯35.1平均发送光功率·······························，·，，。，···························，，·····。·····················⋯⋯65.2激光器工作波长··························。。········，···⋯⋯”·············································。··⋯75.3接收机灵敏度·······················

6、·········································································⋯⋯75.4接收机过载光功率·...............................................................·························⋯⋯95.5光发送机眼图和消光比·..............................................................

7、................·一95.6MLM激光器的最大RMS宽度···············，，，，···..........................·......................105.7OLTSLM激光器一20dB谱宽和最小边模抑制比······················，，···。·······。········。·········⋯⋯115.8不同ONU上行最大功率差·························。····················

8、·········‘·‘····················⋯⋯115.9ONU发射机无输人时发射光功率················，·······················································⋯⋯125.10接收机反射系数··········································································