American Fibertek RT-89A-N Single Fiber Bi-Directional Transreceiver, Multimode, Rack Card Transmitter

The American Fibertek RT-89A-N is the rack card transmitter component of the 89A-N series which 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. Rack cards may be mounted in the American Fibertek Card Cages: SR-20/2 or SR-20R/1.


Also known as: RT89AN

Technical Specifications: Size: 6-1/2” x 1” x 5” Power Supply: SR-20/2 Temperature (Operating): -20°C to +70°C, non-condensing Connector: ST Loss Budget (62.5/125µ): 12 dB Wavelength: 850/1300 nm Response Time: 2 ms Output: Dry Contact Input: Switch Closure to Ground Connector: 5 Pin Screw Terminal SNR: 50 dB THD @ 1 KHz: 2% Audio: Bandwidth: 300 Hz to 10 KHz

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