FTM-300 Cat Control

Anyone have cat control working? I called DigiRig and was told to order the 9600 baud cable set and RS-232 configuration. Audio in/out and PTT work but no CAT. When I try to access CAT my radio switches to transmit and gets stuck.

In below thread @David_Barkes succeeded with the CAT control setup on FTM rig after resolving some issues.

From what I’m finding online FTM-300 has a some CAT capabilities. Another potential source for configuration specifics is the user group for this transceiver model: