Installation Guide
7
3.3.3
22-Pin Connector Definition
With the 22-pin connector, installers can simply connect the power, video and
RS-485 cables to the Dome 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 analog and
network Speed Dome Cameras’ 22-pin connector definition will also be
specified as follows.
Network Model
The network Speed Dome Camera’s 22-pin connector definition is listed as
follows:
Pin
Definition
Cable
Pin
Definition
Cable
1
AC 24-1/DC (
)
20AWG/18AWG
12
ALM-1
2
ALM NC
13
ALM-3
3
AC 24-2/DC (
)
20AWG/18AWG
14
ALM-2
4
ALM NO
15
ALM-4
5
FG
20AWG/18AWG
16
Reserved
6
ALM COM
17
Reserved
7
Audio in
18
Reserved
8
Audio out
19
Reserved
9
Audio GND
20
ALM GND
10
Audio GND
24AWG
21
VGND
11
ISOG
22
Video
20AWG
NOTE: For alarm connection, please refer to
section 3.3.5 Cable
Wiring and Connection.