Need help troubleshooting no PTT

[K0TX]

Richard,
If cable proves to be faulty, I can handle the exchange for you.
Now, using the continuity tester please check if the lines are all connected. Note that the drawing is for the solder side. The pinout is mirrored when looking from the outside. Use wider gap between pins 8 and 9 as the clue.

There is also a quick and dirty way to test the PTT function, see here:

Homebrew cable PTT issues

Leo, In your case as well as in any other situation where PTT by RTS is not working as expected, the first thing I recommend is testing the cables by simulating Digirig’s PTT action. There is a quick and dirty method for that: plug the audio cable on the transceiver side unplug the other end of the cable on the Digirig’s side electrically connect sleeve to the nearest ring on the Digirig’s side [image] If radio keys up then the issue is on software/Digirig side. If radio doesn’t key up then…