![](/images/new-backgrounds/1292419/29241947x1.webp)
30X PTZ Network Camera SNP-3300
Alarm Connection Terminal(Camera Holder)
| NAME | Purpose |
IN1 | Alarm input sensor connection terminal1 | |
IN2 | Alarm input sensor connection terminal2 | |
GND | GND | |
IN3 | Alarm input sensor connection terminal3 | |
IN4 | Alarm input sensor connection terminal4 | |
GND | GND | |
COM1 | Alarm Output1 Common | |
1N.O | Alarm Output1(for Normal Open) | |
1N.C | Alarm Output1(for Normal Close) | |
COM2 | Alarm Output1 | |
2N.O | Alarm Output2(for Normal Open) | |
2N.C | Alarm Output2(for Normal Close) |
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