4RF Aprisa SR+ User Manual - page 130
Managing the Radio | 127
Aprisa SR User Manual
Suppress
The Suppress parameter determines if the action taken by an alarm.
Suppress
Function
None
Alarm triggers an event trap and is logged in the radio
Traps
Alarm is logged in the radio but does not trigger an event trap
Traps and Log
Alarm neither triggers an event trap nor is logged in the radio
Lower Limit / Upper Limit
Threshold alarm events have lower and upper limit settings. The alarm is activated if the current reading
is outside the limits.
Example: 9 RX CRC Errors
The Upper Limit is set to 0.7 and the Duration is set to 5 seconds.
If in any 5 second period, the total number of errored packets divided by the total number of received
packets exceeds 0.7, the alarm will activate.
Units (1)
The Units parameter shows the unit for the Lower Limit and Upper Limit parameters.
Duration
The Duration parameter determines the period to wait before an alarm is raised if no data is received.
Units (2)
The Units parameter shows the unit for the Duration parameters.
Switch
The Switch parameter determines if the alarm when active causes a switch over of the Protection Switch.
This parameter is only applicable when the radio is part of a Protected Station.
Block
The Block parameter determines if the alarm is prevented from causing a switch over of the Protection
Switch.
This parameter is only applicable when the radio is part of a Protected Station.
The Next button will display the next page of 8 alarm events and the Prev button will display the previous
page of 8 alarm events.