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Chapter 5. Statistics
Performance Parameters
View performance parameter information in one of the three time
period selections. Information in these fields is for the given time
period since the last reset. When viewing the 24-hour history
statistics screen, use the left and right arrow keys to scroll through
all 96 15-minute intervals. See Figure 5-4 through Figure 5-6 for
examples of the performance parameter screens.
Descriptions of each field of these screens follow:
Interval starting at:
Time that the 15-minute interval began. This field is only displayed
in the 24-hour history screen which gives information for the
previous 24 hours divided into 15-minute intervals (shown in
Figure 5-3).
Unavailable Seconds (UAS)
Time in seconds that the network port is unavailable for data
delivery. This means that the T3 link is down or in test, or that the
signaling state is down.
Severely Errored Framing Seconds (SEFS)
Number of seconds with one or more out of frame defects or a
detected incoming AIS.
Line Coding Violations (LCV)
Number of BPVs (bipolar violations) and EXZs (excessive zeros)
that have occurred.
Line Errored Seconds (LES)
Number of seconds in which one or more CVs or one or more LOS
(loss of signal) defects occurred.
5-4
T3SU 300 User Manual
61200217L1-1
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