消防广播分区控制器（消防广播分配盘） 1,可实现正常广播与火警广播的转换 2,分区广播控制N±1或N方式 3,每路最大负载为100W，提供20路、40路分区广播 4,可手动和自动控制应急广播分区：手动操作优先 5,可选择定制RS-232/RS-485/24V电压控制转换接口 6,自动巡检广播线断路、短路故障 7,尺寸2U FireBroadcastingDistributionHost 1,Itcontrols switchoverbetweennormalbroadcastingandfirebroadcasting. 2,Itcancontrolthedifferentregions;N±1orNmode. 3,Eachwaysmaximumload is100W,20-waypartitionbroadcasting. 4,Itcanmanuallyorautomaticallycontroltheemergencybroadcastindifferentregions;manualpriority. 5,YoucanchoosecustomRS-232/RS-485/24Vvoltageinterface. 6,ItcanAutomaticallyinspecttheBroadcastingline，iftherewasshort-circuitoropencircuitfault。