User's Manual

150 | Managing the Radio
Aprisa SR User Manual
Events > Alarm I/O Setup
ALARM PORTS
This page provides control of the two hardware alarm inputs provided on the power and alarm connector.
These alarms are only available when the station is non protected (see ‘Hardware Alarms Connections’ on
page 227).
Option
Function
Low
The alarm is active low i.e. a logic 0 on the port will cause an
alarm state
High
The alarm is active high i.e. a logic 1 on the port will cause an
alarm state