Wiring connections
Here is a picture of the 8 pin header with cable showing wire colors:
Here is a table of the pin numbers, names and wire colors:
Pin number
Signal name
Description
Wire
color
1
CTRL
Control (output)
Black
2
COS/STAT1
Carrier sense (input)
Red
3
RX audio
Receive audio from radio (input)
White
4
Ground
Signal ground
Yellow
5
Ground
Signal ground
Orange
6
TX audio
Transmit audio to radio (output)
Green
7
PTT
Push to talk (enable transmit) (input)
Blue
8
RSSI
Received signal strength indicator (input)
Purple
