DVR operation manual
4
1
External GPS
2
RS485、RS232
3
Audio*video
input/output
4
Power
User IO instructions
：
1
Alarm input 1
2
Alarm input 3 3
Alarm output
4
GND black
5
RS485-A brown
6
RS232_R
7
Alarm input 2
8
Alarm input 4
9
GND black
10
GND black
11
RS485-B
12
RS232_T
Video input&output instructions：
1
GND
black
2
+12V red
3
GND
black
4
+12V red
5
VIN4 yellow
Video input 4
6
+12V red
7
VIN3 yellow
Video input 3
8
+12V red
9
VIN2 yellow
Video input 2
10
+12V red
11
VIN1 yellow
Video input 1
12
+12V red
13
V-OUT blue
Video output
14
+5V
15
GND
black
16
GND
black