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    BCD cable wiring

    Member ✭✭✭
    in Peripherals & Station Integration

    I have a BCD cable which I would like to use with a band decoder for antenna switching. The wiring diagram for the cable looks like this:

    image.png

    The Flex USB Cable Interface Guide specifies this output pattern for band data:

    image.png

    Which wire on the cable corresponds to which bit? I am tempted to assume that Bit 0 will be on wire 1, Bit 1 on wire 2 etc. But I have been known to be wrong before . . . . .

    Tim K9WX

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    Best Answer

    • Member, Super Elmer Moderator
      Answer ✓

      Hi Tim,

      From page 3 of the USB Cables Interface Guide for the Flex-6000 document:

      image.png

      So you would use Orange (bit 0) through Grey (bit 4). Be careful, the Red wires carries 5 V, so be sure not to short it to ground or any other pin. If you are hooking this up to a band decoder that expects to be powered by the cable, make sure it needs 5 V and not 3.3 V.

      73,

      Len, KD0RC

    Answers

    • Member ✭✭✭✭

      Tim

      I found the wire number to Bit as you describe.

      Alan. WA9WUD

    • Member ✭✭✭

      Thanks, Len KD0RC. That was the info I needed. It seems you are a more careful reader than I am. I appreciate your help.

      Tim K9WX

    • Member, Super Elmer Moderator

      Glad I could help!

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