EXFO FTB-8500 Series for FTB-500 - Manual (Page 256)

WIS Tabs
242 FTB-8500 Series and FTB-8120NGE/8130NGE
WIS TX
Alarm Generation
Note: Alarm generation is available with BERT test only.

Type: The following alarms are available. The default setting is SEF.

SEF (Severely Errored Framing): Generates more than four
consecutive errored framing patterns.

LOF (Loss Of Frame): Generates a non-valid framing pattern.

AIS-L (Alarm Indication Signal - Line): Generates a “111” pattern
for the bits 6, 7 and 8 of the K2 byte.

RDI-L (Remote Defect Indication - Line): Generates a “110” pattern
for the bits 6, 7 and 8 of the K2 byte.

LOP-P (Loss Of Pointer): Generates a non-valid pointer.

AIS-P (Alarm Indication Signal - Path): Generates an all-ones
pattern for H1 and H2 bytes.

LCD-P (Loss of Code-Group Delineation - Path): Generates a PCS
link down.

UNEQ-P (Unequipped - Path): Generates samples of unequipped
STS signal labels (C2 is set to “00 H”).

RDI-P (Remote Defect Indication - Path): Generates a “100” pattern
for bits 5, 6 and 7 of the G1 byte.

ERDI-PSD (Enhanced RDI - Path Server Defect): Generates a “101”
pattern for bits 5, 6 and 7 of the G1 byte.