YDT 1023-1999 窄带ISDN终端设备进网基本要求

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1、免费标准下载网(www.freebz.net)丫0中华人民共和国通信行业标准YD/T1023-1999窄带ISDN终端设备进网基本要求Generalnetworldngrequirementsforthenarrow-bandISDNterminalequipment1999-07-13发布1999-12-01实施中华人民共和国信息产业部发布免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)丫D/T1023-1999目次一前言⋯I范围2引用标准·，·····

2、·············，··················，···················。·················，··，·······················⋯⋯13定义和符号及缩略语·，··········································，············，····，························，·⋯⋯24ISDl1终端类别·········，，··············4····，，········，，，，·····

3、·······，，················，，，········⋯⋯3SISDN终端(TE1)基本功能特性··········，，·······················································，····。·····⋯⋯36ISDn终端适配器(TA)基本功能特性····················，·······································.·....⋯⋯127用户终端业务属性的配置·····················

4、·············，，································，··········⋯⋯138终端的维护功能·················。······，·························，·····································，····。。···⋯⋯169终端供电····················································································

5、······················，⋯⋯1610电磁兼容(EMC)要求·4·················，，···············，，··················4·4·······················⋯⋯1611过压保护要求··························，··，······。···，····，··，······································，·········⋯⋯1612安全要求····················

6、··················································，·································⋯⋯1613环境要求····································，··································.....................······⋯⋯1614其他要求-········，，，，···········，，·，··········。····，，，，，，····，，·，，·

7、····.................·。1一17附录A(标准的附录)ISDN终端适配器R接口基本要求····，····································，······⋯⋯18附录B(标准的附录)各类ISDN终端进网基本要求·············，·············，，··················，·······⋯⋯22附录C(提示的附录)参考资料·········，·····.................·········，，，，··········，，，·

8、，，····‘⋯⋯26标准分享网www.bzfxw.com免费下载免费标准下载网(www.freebz.net)无需注册,即可下载免费标准下载网(www.freebz.net)丫D/T1023-1999前言本标准主要参考了我国ISDN相关标准以及国际电信联盟(ITU-T)的相关建议编制的。本标准规定了各种ISDN终端设备(包括第一类终端和ISD