3520656 Potter FFT-EXP Fire Fighter's Telephone System 12 Circuit Expander

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Features

• Provides an additional 12 Class B or 6 Class A Phone Circuits
• Equipped with stacker bracket for secure and accessible mounting
• FFT-EXP’s may be mounted in the FFT-1000, AE-8 or AE-14 accessory enclosures

Description

The FFT-EXP is an expander module that provides 12 Class B or 6 Class A phone circuits. The expander module connects to the FFT-1000 through the F-Link and Voice terminals and is expandable up to six (6) devices for Class B systems and up to fourteen (14) for Class A systems.

A maximum of two (2) FFT-EXP’s can be mounted in the FFT-1000. Additional FFT-EXP’s may be mounted in the AE-8 and AE-14 remote cabinets. All FFT-EXP’s must be installed in the same room within 20 feet of the FFT-1000 and wiring must run in conduit.

Installation

The FFT-EXP connects to the FFT-1000 using the F-Link and Voice terminals to establish communication. The connections are power limited and supervised. Each board is equipped with stacker bracket for secure and accessible mounting. The FFT-EXP must be installed within 20 feet of the FFT-1000 and the wiring must run through conduit.

Technical Specifications

• Standby Current - 56 mA
• Alarm Current - 116 mA
• Operating Temperature - 0°C-49°C (32°F-120°F)
• Operating Humidity Range - 10%-93% @ 30°C (86°F) noncondensing humidity
• Maximum F-Link/Voice - 20 ft.
• Maximum FFT-EXP Class B - 6
• Maximum FFT-EXP Class A - 14

3520656 Specifications PDF