Introduction:

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 referred to as host), fire-fighting telephone extension(hereinafter referred to as extension) and fire-fighting telephone jack (hereinafter referred to as the jack), and is suitable for communication and dispatching in a fire or emergency in the building. In case of fire alarm in the application site, the site personnel can call the host through extension and contact the control center in time. The operator in the control center can also call the extension at the site through the host to know the situation on the site.

 Specification:

1) Power supply:
Mains power: AC 220V (+10%, -15%, 50Hz)
Standby power supply: External DC24V
2) Bus current: ≤600mA
3) Frequency range: 300~3400Hz
4) Transmission attenuation: ≤5dB
5) Recording duration: more than 20min
6) Length of bus: ≤1,500m
7) Weight: ≤10kg
8) Dimensions: 406×331×174( mm)
9) Working environment: Temperature 0~+40℃, RH ≤95%
10) Bus capacity: up to 99 code addresses (set by code switch in binary mode)
11) The host supports communication with at most 3 extensions simultaneously
12) Support up to query and playing 99 segments of recording
13) At most 120 call messages can be recorded
14) Line condition: extension loop resistance (exclusive of phone resistance) ≤ 300 Ω
  

List of supporting equipment for fire-fighting telephone system