Communication Redundancy Board with Thermal Block Connector is a RS 422/485 redundancy switch which has optical isolation that protects one segment of network from problems that arises on the other. The Redundancy Board ensures that data can be switched over to the output from either of the port depending on the corresponding data coming from the terminal server port. The Redundancy Board supports for RS 422/RS 485- 4 wire/ RS 485- 2 wire. Communication Redundancy Board with Thermal Block Connector is available with power, transmit and receive indication facility.
