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  1. #1
    Join Date
    May 2011
    Location
    North Carolina
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    323
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    varitrac comfort manager cable

    I am trying to connect to an old varitrac (don't know if its a I or II). I have found lots of post of baude rates and flow control and the like. When we ordered the connectors for the varitrac board (it's a 25 pin on the board) to the 9 pin serial port on the computer Trane said the cable was no longer available. Does anyone know what the pinout or what type of cable is needed so I can make one?

    Is it a null modem cable?

    In the lower left corner of the board by the 25 pin connector there is a lable with the number 50100691 Rev 2 if that's of any use.

  2. #2
    Join Date
    Sep 2002
    Location
    Hampton Roads, Virginia
    Posts
    1,735
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    You have mail
    The first rule of any technology used in a business is that automation applied to an efficient operation will magnify the efficiency. The second is that automation applied to an inefficient operation will magnify the inefficiency. - Bill Gates

  3. #3
    Join Date
    May 2011
    Location
    North Carolina
    Posts
    323
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    Got it! Many thanks!

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