A2. Models With Hd Video Output - Watchguard DVR8ENT3 Product Manual

A2. Models with HD video output

‧ With 9-pin external I/O block
9 8 7 6
External I/O Block
PIN FUNCTION
1
GND
2
RS485-A
3
RS485-B
EXTERNAL ALARM
4
COM
EXTERNAL ALARM
5
NO
6~9
ALARM INPUT
5 4 3 2 1
GROUND
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.
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.
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
PIN 6
PIN 7
PIN 8
PIN 9
*
APPENDIX 6 PIN CONFIGURATION
DESCRIPTION
Alarm Corresponding video channel
1 CH1
2 CH2
3 CH3
4 CH4
76