Verilink FrameStart FSM (34-00299.E) Product Manual - Manual (Page 126)

5-8 F r a m e S t a r t F S M
Figure 5.8 Performance Menu Tree
The parameters found on this menu are the same as on the Alarms menu tree,
except for the three additional parameters defined below.
CRCES Sets the Cyclic Redundancy Check Errored Seconds (CRCES) threshold. A
CRC is a method of confirming the integrity of received data.
BES Sets the Bursty Error Seconds (BES) threshold. A 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.
Maintenance Menu
The MAINTENANCE menu is used to perform loop test functions. From this
menu, Loop tests can be activated and cleared.
Net 24-hour
Perf
(read-only fields)
Performance
Rx
ES
SES
LOSS
OOFS
BPVS
CSS
RAS
AISS
UAS
CRCES
BES
LOFC