
Chapter 5. Statistics
61185001L1-1 MX2810 M13 User Manual 5-7
Errored Seconds-Line (ES-L)
Number of seconds in which one or more CVs or one or more LOS
(loss of signal) defects occurred.
Severely Errored Seconds-Line (SES-L)
Number of seconds with 44 or more LCVs or one or more LOS (loss
of signal) defects occurred.
SEF/AIS Seconds (SAS-P)
Number of seconds with one or more out-of-frame defects or a
detected incoming AIS.
Coding Violations - P-Bit (CVP-P)
Number of coding violation (CV) error events that have occurred.
Errored Seconds - P-Bit (ESP-P)
Number of seconds with one or more PCVs (P-bit coding viola-
tions), one or more out-of-frame defects, or a detected incoming
AIS. This count is not incremented when UASs (unavailable sec-
onds) are counted.
Severely Errored Seconds - P-Bit (SESP-P)
Number of seconds with 44 or more PCVs, one or more out-of-
frame defects, or a detected incoming AIS. This count is not incre-
mented when UASs are counted.
Unavailable Seconds - P-Bit (UASP-P)
Time in seconds for which the DS3 path is unavailable. The DS3
path becomes unavailable at the onset of 10 contiguous SESP-Ps.
Code Violations - C-Bit (CVCP-P)
In C-bit parity mode, this is a count of coding violations reported
via the C-bits or the number of C-bit parity errors that have
occurred.
Errored Seconds - C-Bit (ESCP-P)
Number of seconds with one or more CCVs, one or more
out-of-frame defects, or a detected incoming AIS. This count is not
incremented when UASs are counted.
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