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Thread: FrSky SBus to CPPM converter

  1. #1
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    FrSky SBus to CPPM converter

    I am fitting an X4R-SB to a vortex and therefore need to connect an SBUS to CPPM converter between the two of them.

    The SBUS side of the converter is wired Orange, Red, Brown.
    To which SBUS pins on the RX do the Orange and Brown go to? (obviously red is centre wire and goes to +) .

    The CPPM side of the converter is also wired Orange, Red, Brown. The vortex cable to which it attaches is coloured Black, Red, White.
    To which Vortex cable pins do the Orange and Brown go to ? (obviously red is centre wire and goes to Red ?)

    Is this documented somewhere? There is no such information in the paper manual which accompanies the RX or the converter.

    Thanks.

  2. #2
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    Orange, and white are the signal wires.

  3. #3
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    Thanks for replying.
    I deduced this is the end with a meter. The + line was self evident, so the only doubt was whether brown or orange was ground. Brown had continuity across the converter so had to be ground, and as expected, orange did not.
    Cheers.

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