beautypg.com

Alarm generation – EXFO FTB-8100 Series Transport Blazer for FTB-200 User Manual

Page 217

background image

SONET Tabs

SONET/SDH Application

205

LOP TX (SONET)

Alarm Generation

Allows Continuous alarm generation method.

³

Type: The following alarms are available:

AIS-V (Alarm Indication Signal - VT): Generates an all-ones pattern for
the V1 and V2 bytes of the VT path and payload.

RDI-V (Remote Defect indication - VT): Generates “1” for the bit 8 of
the V5 byte and a “00” pattern for bits 6 and 7 of the Z7 byte.

ERDI-VSD (Enhanced RDI - VT Server Defect): Generates a “101”
pattern for bits 5, 6, and 7 of the Z7 byte, and “1” for bit 8 of the V5 byte.

ERDI-VCD (Enhanced RDI - VT Connectivity Defect): Generates a “110”
pattern for bits 5, 6, and 7 of the Z7 byte, and “1” for bit 8 of the V5 byte.

ERDI-VPD (Enhanced RDI - VT Payload Defect): Generates a “010”
pattern for bits 5, 6, and 7 of the Z7 byte, and “0” for bit 8 of the V5 byte.

RFI-V (Remote Failure Indication - VT): Generates “1” for the bit 4 of
the V5 byte.

LOP-V (Loss of Pointer - VT): Generates a non-valid pointer.

UNEQ-V (Unequipped - VT): Generates samples of unequipped VT
signal label (bits 5 through 7 of V5 byte are set to “000”).

³

On/Off button: The On/Off button is used to activate/deactivate the
selected alarm. This setting is disabled (Off) by default.