(No.RA035<Rev.001>)1-15
2.6
TERMINAL FUNCTION
2.6.1 Main unit (XC1-1162-70)
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 Voltage output after passing through the
R620
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
MICI
I
Analog
External MIC input
3
MIC
O Analog
Internal MIC output
4
OPTDET
I
Digital
External option detec-
tion
5
50V
O Power
DC 5V output
6
AE
-
GND
GND
7
TXD
O Digital
TXD output
8
NC
-
-
No connection
9
DET
I
Digital
External Speaker de-
tection
10
SPO
O Analog
Internal audio output