Well, if you wire it as I'm talking about, I suspect you'll have better luck. If you have the blue wire (which I presume is R2LC serial data) from the motherboard and the green wire from pin-2 of J4 on the CC-M connected together, I'm certain it won't work. So a simple test.
Do you measure continuity between pin-24 of the R2LC and that wire nut connection? Is there also continuity between that wire nut connection and pin-2 on J4 of the CC-M. If the answer to both those questions is yes, you will never get it running with those connections.