Section 1: Overview .......................................................................................................................................................... 7
1.1: Features..............................................................................................................................................................................................................7
1.2: Optional Accessories .........................................................................................................................................................................................7
1.3: Agency Requirements ........................................................................................................................................................................................7
1.3.1: UL 864 9th and 10th Edition ..................................................................................................................................................................7
1.4: About This Manual ............................................................................................................................................................................................7
2.1: Environmental Specifications ............................................................................................................................................................................8
2.2: Preventing Water Damage .................................................................................................................................................................................8
2.3: SK-FFT Board Layout .......................................................................................................................................................................................8
2.4: Electrical Specifications ..................................................................................................................................................................................10
2.4.1: Power Requirements.............................................................................................................................................................................10
2.4.2: Current Ratings.....................................................................................................................................................................................10
2.5: Wiring Specifications.......................................................................................................................................................................................10
2.6: Wire Routing....................................................................................................................................................................................................10
Section 3: Installation ..................................................................................................................................................... 12
3.1: Mounting the Cabinet ......................................................................................................................................................................................12
3.1.1: Surface Mounting .................................................................................................................................................................................12
3.1.2: Flush Mounting.....................................................................................................................................................................................12
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
3.6.1: DIP Switch ...........................................................................................................................................................................................16
3.8: FFT-FPJ Installation ........................................................................................................................................................................................18
3.9: Installation of FFT-STS ...................................................................................................................................................................................18
4.1: List of SLC Devices.........................................................................................................................................................................................20
4.2: Maximum Number of Devices ........................................................................................................................................................................20
4.3: Wiring Requirements for SLC Device.............................................................................................................................................................20
4.4: Addressing SK-MINIMON SLC Devices .......................................................................................................................................................22
5.1: List of Devices .................................................................................................................................................................................................23
5.2: Maximum Number of Devices .......................................................................................................................................................................23
Section 6: System Operation.......................................................................................................................................... 28
6.1: Key Switch Operations ....................................................................................................................................................................................28
6.1.3: Answer Switch .....................................................................................................................................................................................28
6.1.4: Silence Switch ......................................................................................................................................................................................28
6.2: LED Operations ...............................................................................................................................................................................................28
6.2.1: Power Status LED.................................................................................................................................................................................28
6.2.2: Answer..................................................................................................................................................................................................28
6.2.3: Power ....................................................................................................................................................................................................28
6.2.4: Local Handset Trouble .........................................................................................................................................................................28
6.2.5: Remote Handset Trouble .....................................................................................................................................................................28
Model SK-FFT Manual - P/N 54711:B2 12/18/2020
Table of Contents
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