Simrad NSO-II - External Alarm

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Wiring | NSO-II Installation Manual
External alarm
Blue wire on power cable:
An external alarm can be connected to one or more NSO-II Processors on the network. The
external alarm can be a small peizo buzzer connected directly, or a horn siren connected via a
relay.
Alarms are confi gured globally in the system i.e they can be confi gured on any one
networked multifunction device or IS40 instrument, and be seen, heard, and acknowledged
from all devices. Individual devices can also be confi gured to not to sound their internal
buzzer, but still display the alarm information. For information on confi guring alarms, refer to
the Alarms section in the Operation manual.
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For sirens that draw more than 1 Amp, use a relay
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NSO-II_IM_EN_988-10392-001.indd 10 9/07/2013 3:53:00 p.m.