User manual

2.2.3 Green LED(GSM signal indicator）
Status
Meaning
Quick flashing
GSM initialization
Slow flashing
GPRS online
Continuously in dark
No GSM signal or no SIM card installed
2.3 Armed
When red/green/blue 3 LED lights are flashing twice in cycle, it means the terminal is
armed.
2.4 Function of the wires
No.
Function
Color
Function Illustration
1
V+
Red
Positive pole
2
V-
Black
Negative pole
3
ACC
Orange
ACC on
4
Relay
Yellow
Relay controlled wire
5
TX
Green
Send data / for backup
6
RX
Blue
Receive data / for backup
7
GND
Purple
Ground wire