Cabletron Systems Lancast Media Converter 7000 - Manual (Page 70)

Alarm Configuration
4-12 Advanced Alarm Configuration
Interval Indicates the amount of time, in seconds, over which the
selected variable will be sampled. At the end of the
interval, the sample value is compared to both the rising
and falling thresholds conÞgured for the alarm.
Sample Indicates whether the sample value to be compared to
the thresholds is an absolute, or total value Ñ that is, the
total value counted for the selected variable during the
interval Ñ or a relative, or delta value Ñ the difference
between the value counted during the current interval
and the value counted during the previous interval.
LoThrshld Indicates the set value for the low, or falling threshold.
Event # Indicates the event index number that the falling
threshold points to: this is the event that will be triggered
if the falling threshold is met or crossed. If the value for
this Þeld is zero, no event will be triggered.
HiThrshld Indicates the set value for the high, or rising threshold.
Event # Indicates the event index number that the rising
threshold points to: the event that will be triggered if the
rising threshold is met or crossed. If the value for this
Þeld is zero, no event will be triggered.
Status Indicates the status of the alarm: valid, invalid, or
underCreation. An alarm that is invalid is not functional;
it may be referring to a MIB component that is inactive
(such as the Hosts component), not present, or
unreachable, or it may have been deleted by software but
not yet removed from memory at the device. An alarm
that is underCreation is in the process of being
conÞgured (possibly by another management station),
and should not be modiÞed until its status is valid; if it
never reaches valid status, it will eventually be removed.
Alarm Variable Indicates the variable that is being watched. You can use
the scroll bar, if necessary, to view the complete name.
Note that the information provided in this screen is static once it is displayed; for
updated information, click on Refresh. Adding or modifying an alarm
automatically updates the list.
The Þelds in the Events Watch display include:
Index This is a number that uniquely identiÞes an entry in the
event table; an index number is assigned when an event
is created. These numbers are extremely important, as
they are the means by which an event is associated with
an alarm or a packet capture Þlter. As with alarms, these
index numbers are user-deÞned and can be assigned
according to any indexing scheme that works for you.