Telephone Jack is used to communicate with the central Fire Fighting. Telephone master control unit. Just push fire fighting telephone. handset into the jack & start communication.
The Fire Fighters’ Telephone Jack consists of a single phone...
The fire fighting telephone system is the special communication equipment for fire fighting, pursuant to the national standard GB16806-2006 Fire Linkage Control System.
This system is composed of the fire-fighting telephone host (hereinafter...