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Setting and Viewing Ring Alarms 4-3
Alarm Configuration
Setting and Viewing Ring Alarms
To view or set ring-level alarms, highlight the appropriate interface (network),
then click mouse button 1 on ; the Ring Alarms window, Figure 4-2,
will appear.
Figure 4-2. The Ring Alarms Window
The alarm Timebase entered here applies to all enabled alarms at both the ring
and station levels; this is the interval (in seconds) over which the selected
variable(s) will be counted for comparison to the threshold values. For example, if
the Ring Purges alarm is enabled, the threshold is set at 70, and the timebase is set
to 10 seconds, the TRMMIM will generate an alarm if 70 ring purges are detected
on the ring as a whole within a 10-second time period.
NOTE
Alarm conditions which occur over the span of two timebase intervals will not be detected,
even if the threshold is crossed within a period of time that is less than or equal to the
defined timebase interval. For example, if you set your timebase to 10 seconds and an
alarm threshold to 50, an alarm will be generated if 50 of the specified events are detected
within a specific 10-second interval defined by the device. If, however, those 50 events
occur in any 10-second time frame which straddles two device-defined intervals — say, 25
in the last five seconds of one interval, and 25 in the first five seconds of the following
interval — that condition will not be detected, and no alarm will be generated.