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Alarm Input
Alarm 1 + GND / Alarm 2 + GND / Alarm 3 + GND / Alarm 4 + GND
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)