ATLAS 550 System Manual Section 4, User Interface Guide
61200305L1-1F © 2002 ADTRAN, Inc. 113
MODULES (E1/PRA-1) > SIG STATUS
Read security: 5
Displays the state of the A/B/C/D signaling bits for the E1/PRA Network Interface Module. Dashes
indicate TS0s where signaling is not being transferred by the ATLAS 550.
MODULES (E1/PRA-1) > PERFORMANCE CURRENT
Write security:5; Read security: 5
The performance fields (either current, 15-minute total, or 24-hour total) provide status on key
performance measures as specified in G.821 and RFC 1406 for the E1/PRA port as follows:
MODULES ((E1/PRA-1) > PERFORMANCE 15MIN
Write security:5; Read security: 5
Stores the performance data for the previous 15-minute window. Refer to Modules (E1/PRA-1) >
Performance Current for a detailed description of these fields.
MODULES (E1/PRA-1) > PERFORMANCE 24HR
Write security:5; Read security: 5
Stores the performance data for the previous 24-hour window. Refer to Modules (E1/PRA-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
UAS
Unavailable Second
CSS
Controlled Slip Second
SEFS
Severely Errored Frame Second is a second that contains four consecutive errored
framing patterns
DM
Degraded Minutes is the number of minutes with a bit error rate of 10
-6
or greater
LCV
Line Code Violation
PCV
Path Code Violation
LES
Line Errored Second
LOFC
Loss of Frame Count is a count of seconds in which a valid framing pattern could not
be obtained
