3.4 D-SUB 15Pin Connector Specification
Figure 3-3) D-SUB 15PIN
Pin NO
Pin Name
Pin Description
I/O
1
Not use
2
Not use
3
PTT
Low Active
I
4
DC12V
DC+12V
I
5
CTS
I
6
Carrier Detector
O
7
MIC_IN
30mV @ 2KHz Dev
I
8
FLASH_PRO
I
9
SPEAKER_OUT
300mV @ 1KHz dEV
O
10
RX_DATA
3.3V TTL
I
11
TX_DATA
3.3V TTL
O
12
RTS
O
13
GPS_TX_DATA
3.3V TTL
O
14
Ground
Ground
15
GPS_RX_DATA
3.3V TTL
I