Speco Technologies EZVR4/8 DVR User Manual


 
15
Alarm Input
The Alarm Signal type depends upon the Alarm Sensor polarity defined as NO (Normal Open)
or NC (Normal Close).
Alarm Output:
Relay: NO + COM or NC + COM
Door closed Door open
Relay: NO (Normal open) Alarm trigger
NO COM NC COM
Relay: NC (Normal Close)