Adtran TRC6420 Manual Do Utilizador
Section 5 User Interface Guide
TRACER 6420 System Manual
64
Copyright © 2005 ADTRAN, Inc.
612806420L1-1A
> T1
X
P
ERFORMANCE
H
ISTORY
Figure 21 on page 64 shows the T1x Performance History menu page, which displays detailed error
statistics for the T1 link (from both the local and remote TRACER 6420 units) in 15-minute and 24-hour
increments.
statistics for the T1 link (from both the local and remote TRACER 6420 units) in 15-minute and 24-hour
increments.
Figure 21. T1x Link Performance History
T1 performance data is presented as Errored Seconds (ES) and Severely Errored Seconds (SES) on the T1
interface. The following events qualify as an ES–AIS, LOS or LOF Alarm Second, a single BPV,
excessive zero event, or a single parity bit. An SES is caused by an AIS, LOS or LOF Alarm Second,
excessive BPVs, or framed parity bit errors causing a line bit error rate (BER) of 10
interface. The following events qualify as an ES–AIS, LOS or LOF Alarm Second, a single BPV,
excessive zero event, or a single parity bit. An SES is caused by an AIS, LOS or LOF Alarm Second,
excessive BPVs, or framed parity bit errors causing a line bit error rate (BER) of 10
-6
.
The error counts for the most recent 24 hours are recorded in 15-minute increments and displayed on the
right side of the page. The left side of the page displays the 24-hour totals for the most recent 7 days.
right side of the page. The left side of the page displays the 24-hour totals for the most recent 7 days.
The following menus for the T1x Performance History apply to all four available T1
interfaces (A through D).
interfaces (A through D).
Press <n> to view the next 8 hours worth of 15-minute totals and <p> to view the previous
8 hours.
8 hours.
24
Hours
7
Days
(8 Hrs
Displayed
at a Time)
Displayed
at a Time)