Silent Knight SK-FFT Fire Fighters Telephone Control System

The Silent Knight SK-FFT is a fire-fighters telephone control panel that supervises, annunciates, and controls up to 24 remote telephone jacks right out of the box. One optional FFT-24 expander doubles capacity to 48 zones. Up to ten handsets can communicate simultaneously over the supervised circuit, and JumpStart auto-programming streamlines setup. Bright status LEDs show circuit, power, and trouble conditions at a glance. The SK-FFT mounts surface or flush (use trim ring VIP-TR for flush installs) and operates from any power-limited, filtered 24 V DC source. Compatibility: Compatible with Silent Knight addressable control panels 6820, 6820EVS, 6808, and 6700, as well as the 5895XL distributed power supply. It can also be used in retrofit applications powered by any UL-listed regulated 24 V DC supply. Key Specifications: Type: Fire-fighters telephone control panel Zone Capacity: 24 zones standard, 48 zones with one FFT-24 expander Concurrent Handsets: Up to 10 on a single circuit System Voltage: 24 V DC (17–29 V DC) power-limited, filtered, non-resettable Current Draw: 120 mA standby, 230 mA active Operating Environment: 32–120 °F (0–49 °C), 10–93 % RH non-condensing Compatible Modules & Accessories: FFT-24 – 24-zone expander SK-MINIMON – Mini monitor module SK-ISO – Fault isolator module FFT-FPJ – Remote phone jack FFT-RHS – Remote handset FFT-HSC – Handset cabinet (holds 10 handsets) FFT-STSR – Single telephone station, recessed FFT-STSS – Single telephone station, surface FFT-BGK – Break-glass kit VIP-TR – Flush-mount trim ring