Verilink WANsuite 5130 (34-00298.L) Product Manual - Manual (Page 42)

3-10 W A N s u i t e 5 1 6 0 / 5 1 3 0
CAUTION: Performance data will be lost upon power cycle or after performing a
Maintenance Reset or a Save and Restart.
Figure 3.6 Network Performance/Summary Screen
In addition to the error parameters found in the Error Status and Alarm
Thresholds Table on page 3-8, the following error parameters are included on
the Network Performance/Summary table:
BES A Bursty Error Second (BES) is a 1-second period during which at least more
than one but fewer than 320 CRC6 errors occurred.
LOFC The Loss of Frame Count (LOFC) represents the number of time a loss of
frame is declared. A loss of frame is declared after 2.5 seconds of continuous
loss of signal or OOF.
CRCES A Cyclic Redundancy Check Errored Second (CRCES) is a method of
confirming the integrity of received data.
Beneath the Performance/Summary table are two buttons: “Performance 24
Hour” and “Performance 30 Day.” Clicking either of these buttons will
display a detailed summary of the error events that have occurred during each
Performance Displays a Performance/Summary screen that shows a current
count of the number of error events that have occurred over the
past 24 hours and the past 30 days.
Channels Displays the Channel Table Details Screen on page 3-26,
showing each channel by index number. Each channel’s rate and
service (by number) are displayed and can be changed through
user input.
Button Function