User Manual

TRACER 4206 System Manual Section 5, User Interface Guide
612804206L1-1B © 2002 ADTRAN, Inc. 55
Figure 15. T1B Link Performance History
T1B performance data is presented as Errored Seconds (ES) and Severely Errored Seconds (SES) on the
T1B link. The following events qualify as an ES–AIS, LOS or LOF Alarm Second, a single BPV or
excessive zero event, or a single parity bit. An SES is caused by an AIS, LOS or LOF Alarm Second, or
excessive Bipolar Violations (BPVs) or framed Parity Bit errors causing a line Bit Error Rate (BER) of
10
-6
.
The error count for the most recent 24 hours are recorded 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.
>T1C STATUS/CONFIGURATION/LOOPBACK
Figure 16 shows the T1C Status/Configuration/Loopback menu page. Real-time graphical representation
for the T1C link using data from both the local and remote TRACER 4106/4206 units) is displayed on this
page. T1C operational configuration parameters and testing functions are configured from this menu.
Press <N> to view the next 8 hours worth of 15 minute totals and <P> to view the
previous 8 hours.
Press <4> from any menu in the TRACER 4106/4206 VT100 menu structure to access the
T1B Link Performance History page.