ATLAS 550 System Manual Section 4, User Interface Guide
61200305L1-1F © 2002 ADTRAN, Inc. 107
MODULES (T1/PRI-1) > PERFORMANCE CURRENT
Write security:3; Read security: 5
The performance fields (either CURRENT, 15-MINUTE total, or 24-HOUR total) provide status on key
performance measures as specified in ANSI T1.403 and AT&T TR54016 for the T1/PRI port. Except for
CLR, these fields are all read-only. The monitored parameters include the following:
MODULES (T1/PRI-1) > PERFORMANCE 15MIN
Write security:3; Read security: 5
Stores the performance data for the previous 15-minute window. Refer to Modules (T1/PRI-1) >
Performance Current for a detailed description of these fields.
MODULES (T1/PRI-1) > PERFORMANCE 24HR
Write security:3; Read security: 5
Stores the performance data for the previous 24-hour window. Refer to Modules (T1/PRI-1) >
Performance Current for a detailed description of these fields.
PRT
Displays the port number
CLR
Clears performance information for the selected port
ES
Errored Second (ES) is a second with one or more error events OR one or more
Out Of Frame events OR one or more Controlled Slips
BES
Bursty Errored Second (BES) is a second with more than one, but less than 320
error events
SES
Severely Errored Second (SES) is a second with 320 or more error events OR
one or more Out Of Frame events
SEFS
Severely Errored Frame Second is a second that contains four consecutive
errored framing patterns.
LOFC
Loss of Frame Count is a count of seconds in which a valid framing pattern could
not be obtained.
CSS
Controlled Slip Second
UAS
Unavailable Second
LCV
Line Code Violation
PCV
Path Code Violation
LES
Line Errored Second
