APPENDIX 6 PIN CONFIGURATION
78
‧ With 6-pin external I/O block
123
456
External I/O Block
PIN FUNCTION DESCRIPTION
1 GND GROUND
2 RS485-A
3 RS485-B
4
EXTERNAL ALARM
COM
Under the normal operation, COM disconnects with NO. But when any
alarm is triggered, COM connects with NO.
Attention: The voltage restriction is under DC24V 1A.
5
EXTERNAL ALARM
NO
Under the normal operation, COM disconnects with NO. But when any
alarm is triggered, COM connects with NO.
Attention: The voltage restriction is under DC24V 1A.
6 ALARM INPUT
Connect ALARM INPUT (PIN 6) and GND (PIN 1) connector with wires.
Once an alarm is triggered, the DVR will start recording and the buzzer
will be on.
PIN Alarm Corresponding video channel
PIN 6 1 CH1
*
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