Paradyne iMarc SLV Operation Manual page 122

3. Status and Statistics
For the T3 network line performance statistics, the following performance statistics
are kept for each 15-minute interval over the past 24-hour period.
Table 3-24. T3 Network Line Performance Statistics (1 of 2)
3-86
Field or Statistic What It Indicates
Current Interval Timer The number of seconds that have elapsed in the current
15-minute interval.
PES The number of P-bit Errored Seconds in the interval. A PES is a
second during which one or more P-bit Coding Violations
(PCVs) or one or more Out Of Frame (OOF) defects or an
incoming Alarm Indication Signal (AIS) is detected.
PSES The number of P-bit Severely Errored Seconds in the interval. A
PSES is a second during which 44 or more PCVs or one or
more OOF defects or an incoming AIS is detected.
SEFS The number of Severely Errored Frame Seconds in the interval.
A SEFS is a second during which one or more OOF defects or
an incoming AIS is detected.
UAS The number of UnAvailable Seconds in the interval. The DS3
interface is deemed unavailable after 10 contiguous PSESs, or
when Loss Of Signal (LOS), OOF, or AIS exists for two or more
seconds. UAS is the only DS3 counter incremented while the
interface is deemed unavailable.
LCV The number of Line Coding Violations in the interval. LVCs are
BiPolar Violations (BPVs) and EXcessive Zeros (EXZs) errors.
PCV The number of P-bit Coding Violations in the interval. A PCV is
declared when the P-bit code on the DS3 M-frame does not
equal the code calculated locally.
LES The number of Line Errored Seconds in the interval. An LES is
a second during which one or more Coding Violations (CVs) or
LOSs occurred.
CCV The number of C-bit Coding Violations in the interval. A CCV is
a CP-bit parity error.
CES The number of C-bit Errored Seconds in the interval. A CES is a
second during which one or more CCVs or one or more OOF
defects or an incoming AIS is detected.
CSES The number of C-bit Severely Errored Seconds in the interval. A
CSES is a second during which 44 or more CCVs or one or
more OOF defects or an incoming AIS is detected.
May 2003 9000-A2-GB33-20