Adtran TRC4108 Manual Do Utilizador

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Section 5  User Interface Guide
TRACER 4108/4208 System Manual
 54
© 2003 ADTRAN, Inc.
612804208L1-1B
T1 performance data is presented as Errored Seconds (ES) and Severely Errored Seconds (SES) on the T1 
link. The following events qualify as an ES–AIS, LOS or LOF Alarm Second, a single bipolar violation 
(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 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.
Press <N> to view the next 8 hours worth of 15-minute totals and <P> to view the 
previous 8 hours.