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厂家长期供应KATTLE二总线消防电话分机DH9272(总线消防火警电话分机)
1,主机呼叫分机时,分机振铃,摘机即可通话 2,分机举机即可呼叫主机,按下拍簧即可终止通话 3,与二总线火警电话主机配合使用 4,每只分机对应一个号码 5,固定、手提可选 2-Bus Fire Extension 1, It rings when called and communicates when picked up . 2, Calls the main phone when picked up and by pressing the button will stop calling. 3, Works with the 2-Bus Fire Control Telephone Panel. 4,Unique number for each extension connected to the main phone.
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