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The Dual High-Speed RS485 “B” End Point Data Transceiver from ComNet provides point-to-point or drop-and-repeat transmission of two independent simplex or duplex high-speed RS485 (2W) data signals over one optical fiber. It is transparent to data encoding allowing for broad-range compatibility. A medium-sized surface mount module, this transceiver can be used with single-mode optical fiber and features built-in DIP switch-selectable bias and termination resistors for each data channel. Plug-and-play design ensures ease of installation, requiring no electrical or optical adjustments. Each transceiver incorporates bi-color (red/green) indicating LEDs for monitoring proper system operation, including the location of fiber breaks.
Data rates up to 1 Mbps
Meets RS485 (2W) specifications
Tested and certified for full compliance with the environmental requirements (ambient operating temperature, mechanical shock, vibration, humidity with condensation, high-line/low-line voltage conditions and transient voltage protection) of NEMA TS-1/TS-2 and the Caltrans Specification for Traffic Signal Control Equipment
Design assures high reliability in unconditioned out-of-plant/roadside environments
Built-in fiber link tester allows for the testing of the fiber
Remote fault indication allows the user to determine when a fiber break or loss of prime operating power has occurred, or a transceiver in the field has failed
Voltage transient protection on all power and signal input/output lines provides protection from power surges and other voltage transient events
Wide optical dynamic range without the need for optical attenuators
Bi-color (red/green) LED status indicators provide rapid indication of critical operating parameters
Made in the USA
Access control systems
Building automation and environmental control systems
Fire and alarm systems
Traffic signal control equipment
In the Box
COMNET Dual High-Speed RS485 2W "B" End Point Data Transceiver (Single-Mode)