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parameter level becomes stable, within thresholds, and the alarm
Trigger time
is not elapsed,
then the Alarm Trigger remains in
Idle
state. If the alarm
Trigger time
expires and the parameter
level is still beyond limits, the
Alarm trigger
would change its state to
High/Low
. This would
result in predefined actions - alarm notifications (E-mail, SNMP trap) and save a log record. The
state will not be immediately switched into
Idle
when the parameter stabilizes, within threshold
levels, not up until the alarm
Release time
is elapsed. Meanwhile, if the parameter crosses again
any threshold, the
Alarm trigger
will remain in active state. If the parameter remain within the
threshold levels and the alarm
Release time
expires, then the
Alarm trigger
would switch into
Idle
state and again predefined actions would be initiated.
LEVEL
Hi Threshold
TIME
Alarm Idle
No Alarm
Period < Alarm Trigger Time
Period > Alarm Trigger Time
Period > Alarm Release Time
Alarm Active
Alarm Idle
Alarm Idle
No Alarm
Notification
for Active Alarm
Notification
for Idle Alarm
Содержание DB3011
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