American Fibertek RR-89TX Rack Card Receiver Interface for TOA Intercom Systems
SKU
RR-89TX
Model No
RR-89TX
$663.00
Product Highlights
- Bi-directional Audio and Contact Closure Transceivers
- Diagnostics: Power and Optical Presence
- Voice Operated (VOX) Transmission
- FM Modulated Audio

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The American Fibertek 89TX 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.
American Fibertek RR-89TX Features
- Bi-directional Audio and Contact Closure: Enables simultaneous two-way communication over optical fiber, enhancing versatility in intercom systems.
- Diagnostics: Power and Optical Presence indicators offer instant feedback on system status, ensuring reliable operation.
- Voice Operated (VOX) Transmission: Automatically activates audio transmission during a speaking event, providing efficient use of system resources.
- FM Modulated Audio: Delivers clear sound quality and reduces distortion, ensuring crisp audio communication.
American Fibertek RR-89TX Detailed Specifications
| Transmitter Type | Rack Card Receiver Interface |
| Channel Configuration | One channel of audio/contact closure |
| Transmission Medium | Multimode optical fiber |
| Audio Quality | Low distortion and high-quality transmission |
| Field Microphone Adjustment | User-adjustable for optimal signal levels |
| Diagnostics Indicators | Visual indication of power and optical presence |
| Voice Activation | VOX capability for efficient audio management |
| Modulation Type | FM modulation for enhanced audio clarity |
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