- Structure Size
- Commodity name: Bus type fire telephone host
Bus fire telephone switchboard is a product of fire emergency communication system conforming to the national standard of GB 16806-2006 "Fire Linkage Control System". It is a two-bus communication mode. In case of emergency such as fire, the extension or jack in the building can facilitate people to quickly and effectively contact with the fire control room, and report the fire situation. It is widely used in various fields of architecture.
Operating voltage DC24V Operating current < 0.5A Frequency range 300 ~ 3400Hz Transmission decay < 5dB Maximum address 99 Maximum transmission distance Up to 4500 meters with repeater Maximum recording storage time 9 hours Humidity range 45% ~ 80% RH Operating temperature 0℃ ~ +45℃
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