Client Port A
Local Fault (LF)
Remote Fault (RF)
Alarm Indication Signal (AIS)
Line Port A
Loss of Frame (LOF)
Loss of Signal (LOS)
Backward Defect Indication (BDI)
Forward Defect Indication (FDI)
Line Port Z
Loss of Frame (LOF)
Loss of Signal (LOS)
Backward Defect Indication (BDI)
Forward Defect Indication (FDI)
Client Port Z
Local Fault (LF)
Remote Fault (RF)
Alarm Indication Signal (AIS)