Kenwood Nexedge NX-220 Instruction Manual page 5

Terminal DescripTions
Speaker/ Microphone Jacks
You can use a resn-based cover for the Speaker/ Mcrophone
jacks.
No. Name
1 PTT/RXD
2 MICI
3 MICO
4 OPTDET
5 50V
6 AE
7 TXD
8 SPI
9 SPO
Antenna Terminal
50 Ω impedance

Description
PTT nput / Seral data nput
MIC nput
Output from nternal MIC
Opton Detect
5V output
Audo Earth
Seral data output
To nternal SP
AF power output
Impedance
10 kΩ
1.8 kΩ
−
74 kΩ
−
GND
6.8 kΩ
8 Ω (Load)
−
I/O
I
I
O
I
O
−
O
I
O