American Fibertek RT-946C Rack Card Receiver, Four Channel Digital Video, Multi-Protocol RS485/RS422/RS232/Manchester, Contact Closure, Multimode

The American Fibertek 946C Series transmits four channels of high-quality 10 bit digitized video and one channel of multi-protocol data (RS485 (2 wire or 4 wire) or RS422 or RS232 or Manchester) and a bi-directional contact closure on one multimode optical fiber at 1310 and 1550nm.

Designed to be completely transparent to all camera and monitor manufacturers, this system requires no field adjustments at installation or additional maintenance thereafter. Diagnostic indicators provide a quick visual indication of system status. The Afinety intelligent remote monitoring system is available on this product, please consult the factory.

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-20H/2 (with redundant power supplies).


Also known as: RT946C

Technical Specifications: Interface: 485(2 or 4 Wire)/RS422/RS232 Connector: BNC SNR (Unified Weighted): 55 dB Differential Phase: 0.7° Differential Gain: 2 % Bandwidth: 7 MHz I/0 Impedance: 75 Ohms I/0 Level: 1 Vp-p (±3 dB) Maximum Loading: 7 cards per SR-20/2 Size: 6-1/2” x 5” x 2” Power Supply: SR-20/2 MTBF: > 100000 hours Humidity: 0% to 95% (non condensing) Storage Temp: -40°C to +85°C Temperature (Operating): -40°C to +75°C Connector: ST Maximum Distance: 2 Km (Limited by Fiber Dispersion) Loss Budget (62/125µ): 12 dB Wavelength: 1310/1550 nm Connector: Terminal Block Max Current: 0.5A Max Voltage: 100 VDC or Peak AC Response Time: 2ms Output: Dry Contact Input: Switch Closure to Ground Connector: 5 Pin Screw Terminals Data Rate: DC to 115 Kbs Data Format: Asynchronous, Serial

For more information about the American Fibertek RT-946C, please contact us.