EXFO FTB-800 Series for FTB-1 - Manual (Page 316)

Test Results
306 FTB-700G/800 Series
Labels
Labels
From the Test menu, tap Results, and Labels.
Note: Selecting a Label byte to be generated will automatically update the
corresponding OH byte. Refer to OH - SONET/SDH on page 422 for more
information.
Labels

STS/AU Path (C2): The C2 byte is allocated to indicate the content of
the STS SPE / VC, including the status of the mapped payloads.
Received: Displays the received C2 byte. Refer to C2 on page 429 for
more information.

PLM-P/UNEQ-P / HP-PLM/HP-UNEQ: Enables the Payload Mismatch
and STS/AU UNEQ monitoring. This setting is coupled with the
configuration of Labels on page 150.
Expected: Select the expected C2 byte from the list. Refer to C2 on
page 429 for more information.

VT/TU Path (V5): The V5 byte is allocated to indicate the content of the
VT/TU path, including the status of the mapped payloads.
Received: Displays the received V5 byte. Refer to V5 on page 432 for
more information.

PLM-V/UNEQ-V / LP-PLM/LP-UNEQ: Enables the Payload Mismatch
and VT/TU UNEQ monitoring. This setting is coupled with the
configuration of Labels on page 150.
Expected: Select the expected V5 byte from the list. Refer to V5 on
page 432 for more information.