25
YAESU
with 8 Pin Screw on Microphone Connectors
(This jumpering is for older Yaesu radios with Microphones that have common PTT & audio ground
and older hand mics, desk mics and Heil mics)
INPUT
SIDE
Pin #
1
Blue Shunt Jumper to
Pin 1 - OUTPUT Side
2
Blue Shunt Jumper to
Pin 2 - OUTPUT Side
3
Blue Shunt Jumper to
Pin 3 - OUTPUT Side
4
Blue Shunt Jumper to
Pin 4 - OUTPUT Side
5
Blue Shunt Jumper to
Pin 5 - OUTPUT Side
6
White Jumper to
PTT – INPUT Side
7
White Jumper to
PTT GND – INPUT Side
8
White Jumper to
MIC – INPUT Side
GND TIE
White Jumper to
GND TIE - OUTPUT Side
OUTPUT
SIDE
Pin #
6
White Jumper to
PTT – OUTPUT Side
7
White Jumper to
PTT GND – OUTPUT Side
8
White Jumper to
MIC – OUTPUT Side
YAESU
with 8 Pin Screw on Microphone Connectors
(This jumpering is for newer Yaesu radios that have Microphones with isolated PTT & audio grounds.)
JRC
JST245
with 8 Pin Screw on Microphone Connectors
INPUT
SIDE
Pin #
1
Blue Shunt Jumper to
Pin 1 OUTPUT Side
2
Blue Shunt Jumper to
Pin 2 OUTPUT Side
3
Blue Shunt Jumper to
Pin 3 OUTPUT Side
4
Blue Shunt Jumper to
Pin 4 OUTPUT Side
5
White Jumper to
PTT GND – INPUT Side
6
White Jumper to
PTT – INPUT Side
7
White Jumper to
MIC GND – INPUT Side
8
White Jumper to
MIC – INPUT Side
OUTPUT
SIDE
Pin #
5
White Jumper to
PTT GND – OUTPUT Side
6
White Jumper to
PTT – OUTPUT Side
7
White Jumper to
MIC GND – OUTPUT Side
8
White Jumper to
MIC – OUTPUT Side
