Digitus Biometrics db Nexus III Manual de instalación - Página 16
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Certain conditions that occur on the unit will cause the Alarm Relay to operate. The Alarm Relay can be used to
interface the control unit with a 3rd party system. When one of the following conditions happen, the 3rd party
system will be alerted.
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The following will send an alarm alert:
Tamper detected on the head unit
A forced door
A door being propped open
The duress feature being activate
A tamper detected on the door sensor circuit (when used in conjunction with an anti-tamper door sensor)
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The alarm relay is connected as per the diagram below.
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Alternatively the alarm relay can be used to power a 3rd party buzzer or siren.
Models: db Nexus II, Nexus III
Alarm Output
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Digitus Biometrics, Inc. 2011