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12 TruVision Mini PTZ 12X Camera
Pocket Guide
22-pin connector description
The 22-pin connector for I/O interface cable connection is
located on the back plate of the dome camera. Please refer to
the table below for the pin descriptions.
Table 3: 22-pin connector
Pin Description Pin Description
1 Power In AC 24 – 1 12 Alarm Contact 1
2 Alarm Relay NC 13 Alarm Contact 2
3 Power In AC 24 – 2 14 Alarm Contact 3
4 Alarm Relay NO 15 Alarm Contact 4
5 Power Earth
Ground
16 Alarm Contact 5
6 Relay Com 17 Alarm Contact 6
7 Control T+ 18 Alarm Contact 7
8 Control R- 19 Alarm Contact 8
9 Control T- 20 Alarm Contact GND
10 Control R+ 21 Video GND
11 ISOG 22 Video POS