This ebay listing
FT8 Audio CAT Interface 8-Pin Mini DIN DATA Cable XIEGU G90 X5105 HF Transceiver
is for a very handy-looking cable, for $14 + $1 shipping.
It connects to the mini-DIN connector and doesn't use (or need) USB.? But this version is only for PC's with a TRRS audio jack - one connector for both headphones and microphone.? There is another version of the cable for PCs that have separate MIC and Headphone jacks (same price).
[Having the DATA signal at/in the ACC connector is a great idea!? I should have thought of this setup myself!]
the seller's store is
He has a bunch of accessories for the Xiegus and the IC-705.? One that sounds good is a charger/power supply for the X5105, at $15 + $2 shipping.
I wondered about how popular this store might be, so here's a couple "specs" from the page
bd7-maple
166 followers; bd7-maple (1408 ratings) 100.0%-
I plan to order the cable once I get back to Michigan - I can only get paypal items shipped there, but I'm away for a couple of months.? Meanwhile, I'll use my homebrew "kludge" connections.
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Doug, K8RFT