Order Interface
Function
1
IO alarm input 1
Receive external alarm source, can set normally open and
normally close input.
Use external power supply to power up input device,
alarm input device need to connect with GND.
2
IO alarm input 2
3
IO alarm input 3
4
IO alarm input 4
5 GND
6
IO alarm input 5
7
IO alarm input 6
8
IO alarm input 7
9
IO alarm input 8
10
IO alarm input 9
11
IO alarm input 10
12
IO alarm input 11
13
IO alarm input 12
14 GND
15
IO alarm input 13
16
IO alarm input 14
17
IO alarm input 15
18
IO alarm input 16
19
Normally open alarm
output 1
NO: normally open alarm output port.
C: alarm output common port.
20
Alarm output common
port 1
21
Normally open alarm
output 2
22
Alarm output common
port 2
23
Normally open alarm
output 3
24
Alarm output common
port 3
25 GND
26
Controllable 12V power
supply output
Control switching value alarm relay output, control alarm
device according to device whether has 12V voltage or
not. At the same time serve as power input of alarm
detector.
27
+12V power output
interface
Power up camera, alarm device, external device power
supply must be less then 1A.
28 GND
29 RS485_A
Control bus A of 485, use for connect external speed dome
PTZ and etc.
30 RS485_B
Control bus B of 485 device, use for connect external
speed dome PTZ and etc.