Good morning all,

Thanks to help from Jon (ea2sn), this problem is resolved. Elecraft use inverted signals for the RS232 connection, so I re-configured the ftdi device using the ft_prog utility (under windows), and then the connection worked as expected.

Thanks for all your comments!

Best regards,
Paul
On 30/06/2021 21:14, Paul Jewell wrote:
Good evening,

I am trying to find a wiring layout for the kxusb cable. I have the wiring diagram for the kxser cable (from the amp manual), and have tried using an FTDI adaptor with this layout. Unfortunately the software reports that the KX3 is not responding.

Have any of you gone down this route, and achieved a successful outcome? I have ordered a new cable, but it won't be here for a few days, and this should be a solvable problem with the spares I have in my shack!

Many thanks!
Paul

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