Alarm In - EverFocus EverPlex 4BQ User Manual

8.2 Alarm in

There are 4 alarm sensors in for 4 channels, all these alarm inputs are
Normally Open and shorted to ground means an alarm happens.
SENSOR 4
SENSOR 3
SENSOR 2
SENSOR 1
There are four alarm inputs for each camera. Please connect the alarm input in the same
sequence as the cameras input.
When any alarm signal is input, this quad processor will do the following:
1. switch to the full screen display of the alarmed channel.
2. Light on the channel LED.
3. turn on the buzzer.
When 2 or more alarms occur from the cameras, it will switch to quad display.
When the alarm time is over, it will go back to the normal condition that alarm
occurred before.
2 1
8
15 9
8
ALARM
CIRCUIT