Cable for TYT TH-8600

There is a data port in the back but according to the manual it is only used for programming. With that we’ll be going the typical route for mobile rigs with Mic/PTT connection in front and headphones connection in the back.

The aviation type mic connector looks like GX12-6 or GX16-6.
The headphones connection use BTL design so we can’t connect ground on TRS connector for the audio output. See more details on this situation in another post.

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The cable pinout should be:

GX pin #1 (MIC) → 3.5mm TRRS ring 1 (RIG_AFIN)
GX pin #2 (GND) → 3.5mm TRRS sleeve (GND)
GX pin #4 (PTT) → 3.5mm TRRS ring 2 (PTT)
3.5mm TRS tip (headphone) → 3.5mm TRRS tip (RIG_AFOUT)