SS EN 54-21 Ed. 1 标准详情
- 标准号:SS EN 54-21 Ed. 1
- 中文标题:火灾探测和报警系统 - 第21部分:报警传输和故障警告路由设备
- 英文标题:Fire Detection And Fire Alarm Systems - Part 21: Alarm Transmission And Fault Warning Routing Equipment
- 标准类别:新加坡SS
- 发布日期:
Specifies requirements, test methods and performance criteria against which the effectiveness and reliability of routing equipment capable of transmitting fire alarm and/or fault warning signals for use with fire detection and fire alarm systems inst
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