SilentKnight FFT-STSS, FFT-STSR User Manual

Tempered Glass

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FFT-STSS and FFT-STSR
Single Telephone Station
Installation Instructions

The FFT-STS is compatible with the Silent
Knight Fire Fighters T elephone IFP-FFT and
SK-FFT series.

The Single Telephone Station series has a
handset with a push-to-talk switch for
communication with the main FFT controller
or other remote handsets.

For more information refer to the IFP-FFT
installation manual PN 54708 or the SK-FFT
installation manual PN 54711.

Figure 3: Breakglass Kit

Figure 1: Telephone Chassis

Figure 2: Backbox

Figure 4: FFT-STSR Recessed Mount Door

with Keylock

P/N 54420 Rev A

ECN 11-0003

FFT-STSS and FFT-STSR Single Telephone Station Installation Instructions

5. Install door assembly. Tighten wing nuts.

Figure 5: FFT-STSS Surface mount door

with Keylock

Figure 6: FFT-STS Tele phone Connection

System Wiring

Max. riser wiring resistance is 50 ohms,
10,000 ft. (3048 m) max. wiring distance at
14AWG.

System wiring for telephones with coiled
cord handsets must not be connected to
outside wiring or run the same conduit or
cable tray as power or cable TV lines.

Assembly of Units with Coiled
Cord Handsets

The following assembly steps are for
telephones with coiled cord handsets. These
steps must be accomplished once the
enclosure has been mounted and the system
wiring is in place

1. Attach system wiring to the terminal block
on the telephone chassis assembly

2.Install 6-32 nut in backbox. Do not tighten.

3.Install telephone chassis assembly in
backbox.

4.Install trim ring on backbox with 6-32
wing nuts. Do not tighten.

2 54420 Rev A