标准摘要
[中文适用范围]： 指定对使用传输路径的系统的要求，这些路径是 IEC 839-5-1 和 839-5-2 中指定的附加要求。也适用于信号叠加在其他服务上的传输系统。 [外文原描述]： Specifies the requirements for alarm transmission systems using dedicated alarm transmission paths which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers dedicated connections providing signalling continuity between an alarm system and the presentation of alarm system information at an alarm receiving centre.
英文名称Alarm systems - Part 5: Requirements for alarm transmission systems - Section 4: Alarm transmission systems using dedicated alarm transmission paths