Description
FFT-24 expander boards allow an additional 24 zones to Silent Knight® fire fighters telephone control systems.
Features & Benefits:
- Control and annunciation of up to 48 remote fire fighter telephone jacks
- Maximum of 10 fire fighter remote handsets can be used at one time to communicate over the telephone circuit connected to the SK-FFT
- JumpStart™ auto-programming
- One Form C trouble relay
