Fire detection and alarm systems — Part 21: Routing equipment
火灾探测和报警系统SPART 21:布线设备
发布日期:
2005-07-04
ISO 7240-21:2005规定了建筑物内安装的火灾探测和火灾报警系统中使用的火灾报警路由(传输)设备和故障(故障)报警路由设备的要求、试验方法和性能标准。
ISO 7240-21:2005 specifies requirements, methods of test, and performance criteria for fire-alarm routing (transmitting) equipment and for fault (trouble) warning routing equipment for use in fire detection and fire alarm systems installed in buildings.