EXFO Power Blazer 88200NGE, User Manual

Page: 450 / 887

Test Results
440
88000 Series
Alarms/Errors Overview
OTL
Alarms

LOL
(Loss of Lane Alignment)
RX : Multilane alignment process is in the out-of-alignment (OLA) state
for 3 ms.

LOF (Loss of Frame)
RX
: OOF is present for at least 3 ms.

OOF (Out-Of-Frame)
RX
: Any byte of the FAS (bytes 3, 4, and 5) is in error for at least 5
consecutive frames.

LOR
(Loss Of Recovery)
RX : When OOR persists at least 3 ms.

OOR
(Out-Of-Recovery)
RX : While in In-recovery (IR) state, in five consecutive 16320 byte
periods each of the received logical lane marker (LLM) is different
from the accepted LLM value.

Exc. Skew
(Excessive Skew)
RX : The skew exceeds the defined threshold (see Skew Alarm
Threshold (bits)
on page 622).
Errors

FAS
(Frame Alignment Signal)
RX : The FAS bits are in error.

Inv. Marker
(Invalid Marker)
RX : Errors are detected in the 66-bit block alignment marker.