User's Manual
3.1 Wire Definition
Line
Color
Definition
Description
1
2
3
4
Red
Black
Orange
Yellow
PW+
GND
ACC
RELAY
12V/24V car battery positive
12V/24V car battery negative
ACC ignition
Relay
5
6
7
8
Red
Blue
Green
Black
5V-OUT
RX
TX
GND
External power supply
Data receiving / backup interface
Data sending/ backup interface
GND(negative)
9
Purple
ADC
10
11
Orange
Yellow
In1
OUT1
12
Black
GND
13
Orange
SOS+
SOS button
14
Brown
MIC+
15
Black
MIC-
Microphone
16
Grey
SPK+
17
Black
SPK-
Speaker
Analog input
Digital input
Output, Relay
3. Wire Connection