EXFO FTB-8500 Series for FTB-200 - Manual (Page 414)

Power Failure Recovery
400 FTB-8500 Series and FTB-8120NGE/8130NGE
The test that was running will be re-created and started after a power
failure if all the following conditions are met:

The test was running.

Application Startup is enabled on the FTB-200.

The start time has not expired during the power failure.

The stop time or the duration has not expired during the power failure.
When Using SmartMode
SmartMode is not supported meaning that SmartMode will return to its
default factory settings after a power failure recovery.