GS-818 GPS/GSM/GPRS Vehicle Tracker User Manual
12 Copyright © 2011 San Jose Technology, Inc. All Rights Reserved.
I/O Serial Pin Definition Standard
I/O
Description
Color
Definition
Power Voltage IN
Red
Range: (DC 8~35V)
G
Ground
Black
Ground
1
Output 1
Red/White
Range: DC 8~35V (According Voltage IN, maximum:300mA)
2
Output 2
Red/Black
Range: DC 8~35V (According to Voltage IN, maximum:300mA)
3
Input 4
High
(alarm4)
Yellow
Type: NC or NO
Default: NO
Range: DC 3V-40V, Trigger when pull high
4
Ground
Black
Ground
5
Input 5
High
(alarm5)
Orange
Type: NC or NO
Default: NO
Range: DC 3V-40V, Trigger when pull high
6
ACC
Brown
Range: DC 3V-40V, Trigger when pull high
7
Input 1
Low
(alarm1)
Blue
Type: NC or NO
Default: NO
Range: DC 0V-0.6V
8
Ground
Black
Ground
9
Input 2
Low
(alarm2)
Purple
Type: NC or NO
Default: NO
Range: DC 0V-0.6V
10
Input 3
Low
(alarm3)
Gray
Type: NC or NO
Default: NO
Range: DC 0V-0.6V
11
Input A1
Gray/Black
Type: I/O Input analog 1
Range: 0V~40V
12
Ground
Black
Ground
13
Input A2
Gray/White
Type: I/O Input analog 2
Range: 0V~40V
Accept Call
Press
Accept call when someone calls in
14
SOS
Red/Orange
Long Press 3S Enter SOS/Panic mode
15
Tx(output)
White
RS-232 TX (2)
16
Rx(input)
Green
RS-232 RX (3)
17
BSL
Pink
Boot Scrap Loader control (firmware upgrade only)
18
ORST
Red
Hardware reset
Note: For Input 1, 2 and 3, only connect to a passive sensor to GND