厂家直供消防广播分区控制器KT9232(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,每路较大负载为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** 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 Fire Broadcasting Distribution Host 1,It controls switchover between normal broadcasting and fire broadcasting. 2,It can control the different regions; N ± 1 or N mode. 3,Each way's maximum load is 100W, 20-way partition broadcasting. 4,It can manually or automatically control the emergency broadcast in different regions; manual priority. 5,You can choose custom RS-232 / RS-485/24V voltage interface. 6,It can Automatically inspect the Broadcasting line,if there was short-circuit or open circuit fault。