H.264 AHD 4CH MOBILE DVR
X7 Series User manual
8
definitions! And please make sure the TV system of camera match with the TV system of the
DVR.
2. Connection instructions
2.1. Connection diagram
ALARM/RS485 Ports:
ALARM/RS485 Ports
：
PIN port
9
10
11
12
13
14
15
16
Function
AL-IN 8
AL- IN 7
AL- IN 6
AL- IN 5
AL- IN 4
AL- IN 3
AL- IN 2
AL- IN 1
PIN port
8
7
6
5
4
3
2
1
Function
AL-OUT1_A
AL-OUT1_B
GND
AL-OUT2_A
AL-OUT2_B
GND
RS485A
RS485B
