YDT1172-2001接入网技术要求——接入网远端设备ISDN基本速率接入接口(U接口)技术要求.pdf

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1、M191.中华人民共和国通信行业标准yD广r1172-2001接入网技术要求—接入网远端设备ISDN基本速率接入接口(U接口)技术要求AccessNetworkTechnicalSpecification-ISDNBasicRateAccessInterface(UInterface)SpecificationforRemoteEquipment2001-12-11发布2001一12-11实施中华人民共和国信息产业部发布VD/r1172-2001目次前言····························

2、·······。···。·············································································⋯⋯II1范围················································。····························。···。···。···。·····················⋯⋯12引用标准··········································

3、·······························································⋯⋯13定义与缩略语····································································。··················。····。···。··⋯⋯14配置···············································································

4、·····。·。·············。·。··⋯⋯15接口工作原理····················。·。·。················。·························································⋯⋯16功能·················。·····························································································⋯⋯27规

5、程···············································。···。····。···········。··············。·········。···。·········。···⋯⋯38电气特性·········································································································⋯⋯339传输性能·······················

6、··················································································⋯⋯3410供电····································································，··········································⋯⋯3611在线监测功能············································

7、·······················································⋯⋯3812过压保护······························。·。··········。·。·························。·········。··················。⋯⋯39YD/1'1172-2001前言本标准对接入网远端设备ISDN基本速率接入接口(U接口)的工作原理、接口功能、接口规程、电气特性、供电、在线检测和过压保护进行了规定。本标准适

8、用于公用电信网的接入网远端设备，也可供专用电信网参考使用。本标准由信息产业部电信研究院提出并归口。本标准由信息产业部电信传输研究所负责起草。本标准起草人:刘谦杜森王彦芳中华人民共和国通信行业标准接入网技术要求—接入网远端设备ISDN基本速率接入接口(U接口)技术要求AccessNetworkTechnicalSpecification-ISDNBasicRateAccessInterface(UIn