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Thread: RS232 Port Shared

  1. #1

    RS232 Port Shared

    I have a delima, have a system that uses the rs232 port on the main rep. for integration with an Elk security system. It is also desired to add a URC/RTI remote and I might need to use the RS232 with the URC remotes. Anybody ever run into this issue? I doubt I can "T tap" or "splice into" with a connector to have both connections. Just brain storming.

  2. #2
    Senior Member
    Join Date
    Jun 2013
    Watch the RS232, I know that on Honeywell Vista panels, you need a null modem cable. Not sure on the Elk. Why not run IP control from URC/RTI?
    Simple automation when DIY isn't working

  3. #3
    Senior Member
    Join Date
    Oct 2013
    Back in the day, when we used to walk 12 miles... up hill... both ways... in the snow... to work, terminals used serial connections. There was a device (duplexer? duplexor?) that allowed 2 terminals to use the same connection. The baud rate was cut in half but that wasn't an issue with those awesome green-text based terminals.
    Convergence Technologies Raleigh, North Carolina

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