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2.5.3
22-Pin Connector Definition
With the 22-pin connector, installers can simply connect the power and video cables to the IP
Camera at once. Particularly, the alarm pins are serviceable for connecting alarm input and output
devices, such as alarm sensors, sirens or flashing lights with the surveillance system. The Speed Dome
IP Cameras' 22-pin connector definition will also be specified as follows.
Pin
Definition
AC 24-1/DC (＋)
1
ALM NC
2
AC 24-2/DC (－)
3
ALM NO
4
FG
5
ALM COM
6
Audio in
7
Audio out
8
Audio GND
9
Audio GND
10
ISOG
11
Cable
Pin
20AWG
12
13
20AWG
14
15
20AWG
16
17
18
19
24AWG
20
21
22
- 20 -
Definition
ALM-1
ALM-3
ALM-2
ALM-4
Reserved
Reserved
Reserved
Reserved
ALM GND
VGND
24AWG
Video
Cable
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