Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011
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Fire Panel Integration
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Units can be connected to a fire panel so that in the event of a fire, required doors can automatically unlock.
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Once a door has been unlocked via the fire override inputs, the unit must be reset manually by pressing the
reset button on the control unit. Doors will remain unlocked until the unit has been reset.
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The diagram shows how to connect a control unit to a fire panel. The unit can be connect to either a normally
open or normally closed set on contacts as shown below.
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Only remove the link between 0V and NC is the system is wired as follows.
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Locating the reset switch
R
eset Switch
