Gudday XType2001/Tom,
I've been getting great inputs and guidance from people in the know since starting this thread, so if you read the rest of this thread you'll probably get the answers you need.
Although in the last bunch of posts I'm dealing with hardware issue that may not apply to you. But before that I did have the comms working using the Jaycar cable, albeit briefly
cheers
PS: as an "older driver" I get inspiration from my motto: "the older I get, the faster I was ...
"