ADTRAN 1200218L1, User Manual

Page: 70 / 122

Chapter 5. Statistics
5-6 OSU 300 User Manual 61200663L1-1
Figure 5-8. Network Port Statistics Menu (24-Hour Totals)
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 5-7 on page 5-5).
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.
P-Bit Errored Seconds (PES)
Number of seconds with one or more PCVs (P-bit coding
violations), one or more out of frame defects, or a detected