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  • Infrared Remote Focus Unit (IRFU) Pinout 

    This pinout applies to the InfraRed Remote Focus Unit, which was a very limited release product for early Expression line consoles.  This does not apply to the radio remote focus unit or anything else that connected via network or standard RFU wiring.

    DIN 3 (Console)

    PinSignal
    1Ground
    2PPM Data
    3+12Vdc


    DIN 5 (Receiver)

    PinSignal
    1Ground
    2PPM Data
    3+12Vdc
    4

    WSI Data from Transmitter

    5Trickle Charge Out