Hi all,

Thank you all for the great advice. I ended up going with what I'm
going to call "Modified EIA-561". I've only used 4 pins, as following:
Pin    Function
3       Ground
4       Ground
5       Receive
6       Transmit

My thinking behind this is that on a standard ethernet cable this
should result in each data line having a ground line running as its
pair.

Thanks!

Josh
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