Central air conditioner, automatic fire alarm, closed circuit TV watching system, communication network, public broadcasting and cable TV are all available in the exhibition hall.

展览大厅配有中央空调、自动火警、闭路电视、通讯网络、广播和有线电视。

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Discusses the structure and working principle of the interface circuit between ion sensing smoke detector and fire alarm controller.

论述了离子感烟探测器与火灾报警控制器之间接口电路的结构及工作原理。

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Application: it's applied to break or contact fire fighting alarm system by remote control for electric circuit, it's also available for remote trip by pressing emergency stop button.

应用：可对电气线路遥控断开、联络消防报警系统，也可以通过急停按钮遥控脱扣。

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