1-14 (No.RA012<Rev.001>)
2.6
TERMINAL FUNCTION
2.6.1 TX-RX unit (XC1-0072-70)
2.6.2 SP/MIC Connector Specification
Pin No.
Name
I/O
Function
CN600
1
VOLOUT
O
Volume output to audio amplifier
2
VOLIN
I
Volume level input for audio control
3
SB
I
Power input after power switch
4
SB
I
Connect to pin 3
5
B
O
Power output after passing through the fuse
6
B
O
Connect to pin 5
7
VOLGND
-
GND for volume level
8
EN2
I
Rotary switch input
9
EN4
I
Rotary switch input
10
GND
-
GND
11
EN3
I
Rotary switch input
12
EN1
I
Rotary switch input
Pin No.
Name
I/O
Signal Type
Function
1
PTT/RXD
I
Digital
PTT/RXD input
2
MICIN
I
Analog
External MIC input
3
MICO
O
Analog
Internal MIC output
4
OPTDET
I
Digital
External option detection
5
50V
O
Power
DC 5V output
6
AE
-
GND
GND
7
TXD
O
Digital
TXD output
8
NC
-
-
No connection
9
NC
-
-
No connection
10
SPO
O
Analog
External audio output
