EXFO FTB-8500 Series for FTB-500 - Manual (Page 518)

Pop-Up Windows
504 FTB-8500 Series and FTB-8120NGE/8130NGE
Filter Selection
Filter Selection
This pop-up window is only available from Traffic Analyzer - Capture tab.
Allows to select the filter number that will be used to select what frames
are saved in the buffer.
Only enabled filters are selectable. To configure and enable filters, see
Traffic Filters on page 175 or Traffic Filter Configuration on page 180.
None indicates that there is no filter selected meaning that all received
frames will be captured.