Alarms
LOS: Loss of Signal
AIS: Alarm Indication Signal
LOF: Loss of Frame
RAI: Remote Alarm Indication
IDLE: Idle Signal
LSS: Link Status Signal
Errors
BPV Error: Bipolar Violation error
Pattern error: Pattern error
Pattern slips:Pattern slips
Parity error: Parity error
F-bit error: F-bit error
C-bit error: C-bit error
FEBE: Far End Block Error
5.6.3.4 Alignment
Touching the Alignment button in the status area of the Ports Setup
screen displays the status shown below.
Alignment status when the frame type is M13
Alignment status when the frame type is C-bit