Model SK-FFT Manual — P/N 54711:B2 12/18/2020
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2.3: SK-FFT Board Layout .......................................................................................................................................................................................8
2.4: Electrical Specifications ..................................................................................................................................................................................10
3.2: Installing the Fire Fighter’s Hand Set..............................................................................................................................................................14
3.3: FFT-24 Installation ..........................................................................................................................................................................................15
3.4: Installing the SK-FFT ......................................................................................................................................................................................16
3.5: Operating Power ..............................................................................................................................................................................................16
3.6: DIP switch settings on SK-FFT .......................................................................................................................................................................16
3.7: SK-FFT Fire Fighter Telephone Module Connection......................................................................................................................................17
3.8: FFT-FPJ Installation ........................................................................................................................................................................................18
3.9: Installation of FFT-STS ...................................................................................................................................................................................18
4.3.1: Wiring SLC in (Class B) Configuration ...............................................................................................................................................20
4.3.2: Wiring SLC Devices in (Class A) Configuration .................................................................................................................................21
5.3.1: Single Phone Jack Audio Circuit in Class B Configuration .................................................................................................................23
5.3.2: Single Phone Jack Audio Circuit Wired in Class A Configuration......................................................................................................24
5.3.3: Multi-Phone Jack Audio Circuit Wired in Class B Configuration .......................................................................................................25
5.3.4: Multi-Phone Jack Audio Circuit in Class A Configuration..................................................................................................................26
5.3.5: Telephone Jack Only Audio Circuit .....................................................................................................................................................26