2,分区广播控制N±1或N方式
3,每路Z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
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。
