Q-See Computer Hardware - Manual (Page 11)

SuperDVR & H.264 Series Cards
User Manual
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11
2
Hardware Installation
2.1 Video Capture Card Hardware
2.1.1 QSDT4PCRC Card Hardware
Figure2-1 QSDT4PCRC Video Capture Card
Pin Port Definition Interpret
1PIN 5V Power Source (5V)
2PIN ALARM_COM Alarm COM
3PIN ALARM_NC Alarm Normal Close
4PIN ALARM_IN1 Alarm Input 1
5PIN ALARM_NO Alarm Normal Open
6PIN ALARM_IN2 Alarm Input 2
7PIN GND Ground
8PIN ALARM_IN3 Alarm Input 3
9PIN GND Ground
10PIN ALARM_IN4 Alarm Input 4
Table2-1 QSDT4PCRC Card Pins