EXFO FTB-8100 Series, Руководство пользователя

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SONET Tabs
SONET/SDH Application
205
LOP TX (SONET)
Alarm Generation
Allows Continuous alarm generation method.
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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”).
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On/Off
button: The On/Off button is used to activate/deactivate the
selected alarm. This setting is disabled (Off) by default.