ADTRAN 1200410L2, Руководство пользователя

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Chapter 4. Status Menu
36 ESU LT User Manual 61200410L2-1A
NI PERF RPTS
The Network Interface Performance Reports display the user’s
copy of the performance data. The ESU LT maintains this
performance data on the network based on G.821. The data
displayed is data accumulated over the last 15 minutes and over the
last 24 hours.
These fields cannot be edited, only cleared as previously discussed.
Only the user copy of performance data is cleared. See Figure 4-2.
Continue with standard operating procedures to exit the display.
Figure 4-2. Severely Errored Seconds Screen
Reset Perf CNTRS
Resets the user’s copy of the performance data.
%AS
Percentage of available seconds.
%EF
Percentage of error-free seconds.
ES
Number of errored seconds (1 or more errors/second).
BES
Between 2 and 832 errored/seconds.
SES
Number of severely errored seconds (more than 832 CRC errors/
sec., approximately equivalent to a bit error rate of 1x10
-3.
)