The accessory connector in the back is lacking the required signals so we’ll use front MIC connector for TX audio, PTT and the headphones socket for RX audio.
Digirig audio cable pinout:
GX16-8F pin 1 (MIC) → 3.5mm TRRS ring 1 (RIG_AFIN)
GX16-8F pin 2 (STBY) → 3.5mm TRRS ring 2 (PTT)
GX16-8F pin 7 (GND MIC) +
GX16-8F pin 8 (GND) → 3.5mm TRRS sleeve (GND)
3.5mm TRS tip (PH) → 3.5mm TRRS tip (RIG_AFOUT)
3.5mm TRS sleeve (GND) → 3.5mm TRRS sleeve (GND)