MMDVM Connection to Kenwood X50/X51/X40 series repeaters
This is the pinout for a TKRX50/X51/X40 series repeater to a repeater builder STM32-DVM:
DB9F
DB25M
Signal
2
8
TX Audio
3
25
Squelch
5
16
PTT
6
10
RX Audio
8
19
Ground
9
None
+12V on Molex Accessory Connector