American Fibertek RT-89D Rack Card Transmitter Interface for Dukane Intercom Systems

The American Fibertek 89D Series transmits one channel of high-quality low distortion bi-directional audio/contact closure on one multimode optical fiber. Designed to be completely transparent, the system field microphone and audio levels can be adjusted to balance and optimize signal levels. Diagnostic indicators provide a quick visual indication of system status. Equipment may be ordered as stand alone modules or rack cards that are mounted in the American Fibertek Card Cages: SR-20/2 or SR-20R/1.

Features

Rack Card Transmitter - Station

Interface for Dukane Intercom Systems

Bi-directional Audio and Contact Closure Transceivers

Diagnostics: Power and Optical Presence

Voice Operated (VOX) Transmission

FM Modulated Audio

Specs

Manufacturer American Fibertek Inc.

Condition New

Audio Bandwidth - 300 Hz to 10 KHz

THD @ 1 KHz - 2%

SNR - 50 dB

Connector - 5 Pin Screw Terminal

Contact Closure Input - Switch Closure to Ground

Contact Closure Output - Dry Contact

Response Time - 2 ms

Connector - 5 Pin Screw Terminal

Optical Wavelength - 850/1300 nm

Loss Budget (62.5/125¼) - 12 dB

Connector - ST

Temperature (Operating) - -20°C to +70°C, non-condensing

Power Supply - Module - 24 VAC Center Tap (AFI Part#: PS-24-CT-T)

Rack Card - (See AFI Part : SR-20D/2)

Size - Module - 5 3D4” x 6 3D4” x 1 3D8”. Rack Card - 6 1D2” x 1” x 5”