9
3.4 Terminal Description
ACC (D-SUB 15 Pin Connector)
Pin
NO
Pin Name
Description
Specification
I/O
Remake
1
RSSI
DC Power Output
0.6~1.4V
O
2
IGN
Ignition Signal Input
Power ON : ↑ 8V
Power OFF : ↓ 6V
R79 is selection
I
LSP
Low Speed Data
R12 is selection
3
EXT_SPK
Loudspeaker Output
4Ω, 4Watt
O
4
AF_OUT
Audio Output
500mV
O
5
EXT_MIC
Audio Input
5㏀
I
6
TXD/FCN1
TX Serial Data
3.3V TTL
O
7
RXD/FCN2
RX Serial Data
3.3V TTL
I
8
EXT_PTT
External PTT
3.3V(H) : PTT OFF
0V(L) : PTT ON
I/O
9
F_AUDIO
IF IC Output
100mV
O
10
COR/COS
Squelch Output
S.Q ON : 3.3 V
S.Q OFF : 0V
O
11
EXT/INPUT
Programmable
High Impedance
I/O
12
DC+5V
DC Power Supply
DC+5V Max 100mA
O
13
HR1
Horn Alert Signal Output
Max 3A
O
14
HR2
Horn Alert Signal Output
Max 3A
O
15
GND
Ground
Ground
-
Microphone Jack
Pin
NO
Pin Name
Description
Specification
I/O
Remake
1
MBL
Backlight
of
Microphone
-
O
2
DC+12.0V
DC Power Output
O
3
GND
Ground
Ground
-
4
PTT/TXD0
PTT/PC Serial Data
3.3V TTL
I
5
ME
MIC Ground
MIC Ground
-
