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Total Access 600 Series System Manual Section 4 User Interface Guide
61200624L1-1B © 2004 ADTRAN, Inc. 73
INTERFACES (T1) > STATUS > PERFORMANCE > CURRENT AND TOTALS > SES
SES (Severely Errored Second) - For ESF mode, an SES is a second with 320 or more PCVs, or one or
more OOF defects, or a detected AIS defect. For D4 (SF) mode, an
SES is a second with one or more
Framing Error events, or an OOF defect, or at least 1544 Line Code Violations or more.
INTERFACES (T1) > STATUS > PERFORMANCE > CURRENT AND TOTALS > SEF
SEF
(Severely Errored Frame) - An
SEF
condition occurs when 2 out of 6 consecutive frame bits are in
error.
INTERFACES (T1) > STATUS > PERFORMANCE > CURRENT AND TOTALS > FS
FS (Frame Slip) - A frame slip is defined as one or more frame bit errors in a one-second interval.
INTERFACES (T1) > STATUS > PERFORMANCE > CURRENT AND TOTALS > LCV
LCV (Line Code Violation) - A Line Code Violation is defined as a Bipolar Violation (BPV), not including
the B8ZS code word if B8ZS is employed. The number displayed is
LCV events, which is defined as one or
more BPVs in a one-second interval.
INTERFACES (T1) > STATUS > PERFORMANCE > CURRENT AND TOTALS > SLP
SLP (Slip Error Event) - This occurs when a received frame is either repeated or deleted. A SLP error
indicates a timing problem.
INTERFACES (T1) > STATUS > PERFORMANCE > CURRENT AND TOTALS > UAS
UAS (Unavailable Seconds) - When 10 consecutive SESs have been logged, the unit is declared in an
unavailable state, the 10
SESs are cleared, and the Unavailable Seconds count begins to increment starting
with 10. The unavailable state is cleared when 10 consecutive non-SES seconds have occurred.
INTERFACES (T1) > STATUS > PERFORMANCE > EXTENDED
Provides statistics for the last 24 hours (in 15 minute windows) on key performance measures as specified
in ANSI T1.403 and AT&T TR 54016 for each of the T1 ports. Refer to the
C
URRENT
AND
T
OTALS
performance information for more details on listed statistics.
INTERFACES (T1) > STATUS > PERFORMANCE > CLEAR CURRENT DATA
Clears all statistics collected in the C
URRENT
AND
T
OTALS
statistics table.
INTERFACES (T1) > STATUS > PERFORMANCE > CLEAR ALL DATA
Clears all statistics collected in the C
URRENT
AND
T
OTALS
and the E
XTENDED
24 hour statistics tables.
INTERFACES (T1) > STATUS > ALARMS
Displays current alarms and alarm history for T1 interface.