PRELIMINARY: TR-FFT Fire Fighter’s Telephone Manual — LS10309-001TR-E:A 04/28/2021
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2.3: TR-FFT Board Layout .......................................................................................................................................................................................8
2.4: Electrical Specifications ..................................................................................................................................................................................10
3.2: Fire Fighter’s Handset Installation ..................................................................................................................................................................14
3.3: TR-24Z-EXT Installation.................................................................................................................................................................................15
3.4: TR-FFT Installation .........................................................................................................................................................................................16
3.5: Power Operation ..............................................................................................................................................................................................16
3.6: DIP Switch Settings on TR-FFT......................................................................................................................................................................16
3.7: TR-FFT Fire Fighter Telephone Module Connection......................................................................................................................................17
3.8: TR-FPJ Installation ..........................................................................................................................................................................................17
3.9: TR-STSR/TR-STSS Installation......................................................................................................................................................................18
4.3.1: Wiring SLC Devices 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 .....................................................................................................................................................27
Summary of Contents for TR-FFT
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