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1，厂家直供消防电话主机KT9251/DH9251（多线消防火警电话主机）
消防电话系统是专门用于消防控制中心（室）与建筑物各关键部位之间通话的电话系统。由消防电话总机、消防电话分机和传输介质构成。
1,2N线制电话主机，尺寸2U
2,单门、8门、16门、20门、40门
3,主分互叫；分机摘机即通话，主机显号
4,可三方通话
5,通话时自动启动20分钟以上的数字录音
6,呼叫、应答时间记录，液晶屏显示100条信息
Conventional Fire Telephone host
1,The main phone can call several extensions one by one and permit
the extensions to communicate.
2,A total of 8/16/20/40 extensions can be provided for the main phone.
3,Each extension can call the main phone without dialing. And the main
phone can call any of the fitted extension too. What’s more, the extension number displays when it is calling.
4,Permits the second extension to call when the main phone is communicating with a different extension.
5, Call and response time was recorded；LCD screen can display 100 pieces of information
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