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4. Monitoring the Unit
8784-A2-GB20-30 February 2001
4-7
The following Network Error Statistics are collected for the selected port:
ES (Errored Seconds):
Seconds during which one or more ESF error events
occurred.
SES (Severely Errored Seconds):
Seconds during which more than
320 cyclic redundancy check (CRC) error events or at least one Out of Frame
(OOF) event occurred.
FEBE (Far-End Block Errors):
Errors reported by the remote equipment.
Complete:
Whether the interval register contains data for all 900 seconds of
the interval.
Fields on this screen include:
Field . . . Contains . . .
Current Interval Timer The number of seconds which have elapsed in the current
15-minute interval. Maximum value is 900 seconds
(15 minutes). This counter is reset every 15 minutes.
When zero, the port is disabled.
Error Events Counter A running total of CRC errors. Range 0–65535. This counter
resets when the near-end data is cleared. When zero, the port is
disabled.
Current Int Performance data for the current 15-minute interval.
When blank, the port is disabled.
Interval
xx
Historical performance data for up to 96 15-minute intervals
(24 hours). When blank, the port is disabled.
Worst Interval The number of the interval with the worst (highest) performance
data for both the near- and far-end statistics. If two or more
intervals are equal, the oldest interval is displayed.
When blank, the port is disabled.
Near and Far Tot A running total of the near- and far-end performance statistics.