Avtech AVC792 Manual Del Usuario página 25

‧ With 6-pin external I/O block
6 5 4 3 2
External I/O Block
PIN FUNCTION
1
GND
2
RS485-A
3
RS485-B
4
EXTERNAL ALARM COM
5
EXTERNAL ALARM NO
6
ALARM INPUT
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) 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
*
DESCRIPTION
Alarm Corresponding video channel
1 CH1
21