PX4 S.BUS Input [SOLVED]

I'll admit r/c receiver technologies are still somewhat mystical to me, so I would appreciate some input.

Is the SBUS output on the OrangeRx R800X compatible with the PX4IO SBUS input?  This Rx is mentioned by name so I figure I must be doing something wrong.  When I connect the two SBUS ports together I get nothing, but when I pass the signal through the 3DR PPM encoder it works fine.  What am I missing here?

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  • Update:

    I bought an actual Spektrum satellite receiver to see if there was some sort of issue with the OrangeRx brand.  No luck.  The RC inputs are just as non-responsive as before.  I'm beginning to wonder if I might have a faulty PX4IO board.

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  • Still no luck.  I broke down and got a "satellite receiver" for the Spektrum port on the PX4IO, and that didn't work either.  Please, someone call me stupid and tell me what I'm doing wrong!

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