APPENDIX 6 PIN CONFIGURATION
76
A2. Models with HD video output
‧
With 9-pin external I/O block
1
2
3
4
5
6
7
8
9
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.
6~9
ALARM INPUT
Connect ALARM INPUT (PIN 6 -- 9) 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
PIN 7
2
CH2
PIN 8
3
CH3
PIN 9
4
CH4
*
Summary of Contents for DVR8ENT3
Page 55: ...REMOTE OPERATION 49...
