EXFO Power Blazer 88200NGE, User Manual

Page: 428 / 887

Test Results
418
88000 Series
Alarms/Errors Overview
FOICx.y
Note: Available with FlexO BERT.

Skew Alarm Threshold (bits)
, coupled for all ports in the FlexO group,
allows setting the threshold value that will be used to declare a skew
alarm:
0
to
1000
ns (
180
ns by default).

Default restore the default skew alarm threshold value.
Alarms

LOA (Loss Of Alignment)
RX
: Two or more logical lanes have the same logical lane marker
value, or one or more logical lane marker recovery processes are in the
OOR state, or if the differential delay between two logical lanes
exceeds the configured alarm threshold compensable delay.

LOAML
(Loss of Alignment Marker Lock)
RX : In lock mode, five consecutive marker values are received that do
not match the alignment marker that the lane is currently locked to.
The LOAML alarm is cleared when FOIC Lane is declared Lock and
two valid alignment markers are received.

Exc. Skew (Excessive Skew)
RX
: The skew exceeds the defined threshold (see
Skew Alarm
Threshold (bits) on page 82).
Errors

Inv. Marker (Invalid Marker)
RX
: There are errors in the 66-bit block alignment marker.