EXFO FTB-8500 Series for FTB-200 - Manual (Page 339)

Expert Mode Tabs
Ethernet and Fibre Channel Application 325
Expert Mode (RFC 2544)
Expert Mode Status
Gives the verdict, Pass or Fail, of the Throughput, Back-to-Back, Fame
Loss, and Latency tests according to the Expert Mode settings.

Pass is declared if all result values meet the configured criteria.
The FTB-200 front panel Result Status LED is green.

Fail is declared if any result value does not meet the configured
criteria. The FTB-200 front panel Result Status LED is red.

“--” is displayed when at least one of the following conditions is
met:
- the Expert Mode is not enabled
- if there is no defined criterion
- when the specific test has not run yet.
The FTB-200 front panel Result Status LED is off.
Note: The verdict results are only available when the Expert Mode has been
enabled and when the specific test (Throughput, Back-to- Back, Frame
Loss, or Latency) is completed.