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Thread: Cleartone CM5000 programming cable schematic

  1. #1
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    Default Cleartone CM5000 programming cable schematic

    I need pinout and programming cable schematic for Cleartone ( /\/\ ) CM5000.Thanks and 73 from LZ2SAT !

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  3. #2
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    Default Re: Cleartone CM5000 programming cable schematic

    The radio is connected by its rear accessory connector to a 3V3 FTDI module. For this connection a four wire serial connection was used: RxD, TxD, CTS and DTR. And of course a ground connection. Using this setup the radio could be read and programmed.

    https://ibb.co/tBzzxNs

    Here is the service manual:
    https://manuals.repeater-builder.com...66539D44-A.pdf

    Check page 55 for the 20 pin accessory connector details.

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  5. #3
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    Default Re: Cleartone CM5000 programming cable schematic

    Thanks for info , what about rs232c 7 pin port , it is possible to use it directly to PC (one pin (2) missing ,1 and 7 are GND and rest are same pin as that used to program but with rs232 level so not need FTDI) ?

  6. #4
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    Default Re: Cleartone CM5000 programming cable schematic

    I'm never tried that.
    The 20-pin version is tested and secure.

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