Wiring the NSE | 27
External alarm
An external alarm can be connected to one or more displays on the network. The
external alarm can be a small peizo buzzer connected directly or a horn siren connected
via a relay.
Alarms are configured globally in the system i.e they can be configured on one display
and seen, heard and acknowledged from all displays. How ever the external alarm siren
can be enabled or disabled on individual displays. For information on configuring alarms
refer to the Alarms section in the Operation manual
12 - 24 V DC
1 A max
35 V DC max
Red (FUSE)
Black
Yellow
+
_
Blue
For sirens that draw more than 1 Amp use a relay
12 - 24 V DC
Red (FUSE)
Black
Yellow
+
_
Blue
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