YDT 1023_窄带ISDN终端设备进网基本要求.pdf

丫0 中华人 民共和 国通信行业标准 YD/T 1023- 1999 窄带ISDN终端设备进网基本要求 Generalnetworldngrequirementsforthe narrow-bandISDNterminalequipment 1999-07-13发布 1999-12-01实施 中华人民共和国信息产业部 发 布 丫D/T 1023-1999 目 次 一 前言 … I 范围 2 引用标准 ·，··················，··················，···················。·················，··，·······················…… 1 3定义和符号及缩略语·，··········································，············，····，························，·……2 4 ISDl1终端类别·········，，··············4····，，········，，，，············，，················，，，········…… 3 SISDN终端(TE1)基本功能特性··········，，·······················································，····。·····……3 6ISDn终端适配器(TA)基本功能特性····················，·······································.·……12 7用户终端业务属性的配置 ··································，，································，··········……13 8终端的维护功能·················。······，·························，·····································，····。。···……16 9终端供电··········································································································，…… 16 10电磁兼容(EMC)要求 ·4·················，，···············，，··················4·4·······················……16 11过压保护要求··························，··，······。···，····，··，······································，·········……16 12 安全要求 ······································································，·································…… 16 13 环境要求 ····································，········································……16 14 其他要求 -········，，，，···········，，·，··········。····，，，，，， ····，，·，，······。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··········