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OT2 to ICOM F521

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  • Chris
    need a little bit of help to make a cable that will go from OT2 to ICOM F521. The ICOM F521 has two methods of input for data RJ45 Microphone jack or a
    Message 1 of 1 , Jan 31, 2010
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      need a little bit of help to make a cable that will go from
      OT2 to ICOM F521.

      The ICOM F521 has two methods of input for data RJ45 Microphone jack or a acceesory cable OPC-617. For this thread I'm looking for the OPC-617 one.

      From http://www.prestonmoore.com/repeater.html, I got the pin outs for the OPC-617. What confuses me in the PTT.

      Here's what I think I should be making
      OPC-617 DB-9M-------OT2 DB-9
      Pin 3 Det. AF output-----RXA Pin5
      Pin 4 Mod input----------TXA Pin1
      Pin 5 PTT----------------PTT Pin 7?
      Pin 8 Det. AF ground---- GRD Pin6

      Thanks
      Chris
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