COMBLK - Comm. Cable Terminal Block
Electronic Technician Assistant (ETA)

  The COMBLK - Communication Cable Terminal Block is a small circuit board designed to simplify the task of terminating communications wiring.
   The COMBLK fits into the TRK18 snaptrack or any other industry standard 2-3/4 inch snaptrack. Each COMBLK contains four independent circuits with three connectors - one for bus in, one for bus out and a third for wiring to the controller.
   The COMBLK allows each bus to be quickly isolated and tested in each direction to simplifying the troubleshooting of communications problems. A common ground connector provides a convenient means of grounding all shield drain wires. The COMBLK also accommodates the COMSRG surge suppressor, which plugs directly inline between the COMBLK and the communications bus segment.
   The COMBLK is suitable for RS-485, Modbus, Echelon®, or virtually any other communications standard that talks over two or three wires.

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