规范《DL-T888-2004-电力调度交换机电力DTMF信令规范》.pdfVIP

33.040.01 F21 备案号 :14616-2004 RIL 中华 人 民共 和 国 电力行 业 标 准 DL/T 888一 2004 电力调度交换机 电力DTMF信令规范 Electricpowersystemdispatchingexchange SpecificationofDTMFsignalling 2004-10-20发布 2005-04-01实施 中华人民共和 国国家发展和改革委员会 发 布 DL/T888 2004 目 次 前言 ·····················································································································……11 I 范围 ··············‘············，，············································，·········‘···························…… 1 2 记发器信号 ········.·，······························································································…… I 2.1信号编码 ···································································································… … I 2.2 信号单元 ·‘····，·······························，··········，，·····‘···············，·························…… 2 2.3记发器信号发送顺序 ···········································································……，········…… 2 2.4 强插、强拆操作 ·········‘·······················，··············································，···········，···…… 4 3 线路信号 ··，········，···········，·························“···，·，········，”····························…… 4 3.1 EIM线路信号 ····························································，·····································…… 4 3.2 数字线路信号 ·····················‘··············，··········，··············································，·…… 7 参考文献 ·10 DL/T888一 2004 Hii 吕 本标准是根据有关交换机信令的技术标准，结合电力系统对电力调度交换机的使用要求编写的。 与电力行业标准 DUP795-2001 《电力系统数字调度交换机》比较，本标准增加了调度交换机信令方 式的内容，使电力调度交换机的电