EXFO FTB/IQS-85100G Packet Blazer for FTB-500/IQS-600 - Manual (Page 280)

Test Functions
270 FTB/IQS-85100G
Filters
Assign to Capture
Note: Only available when the ETH-CAPTURE software option is enabled. Refer
to Software Option on page 21 for more information.
Assigns the selected filter for packet capture. See Packet Capture on
page 273.
Filter Configuration
Note: Multiple filter criteria is only available when the ADV-FILTERS option is
enabled; otherwise only one criterion is possible. Refer to Software Option
on page 21 for more information.
The filter configuration section allows to configure the filter criteria for the
selected filter. The configuration is only possible when the Enable check
box is cleared.

“(“ and “)“, the open and close parenthesis controls the
precedence of operands when more than two operands are used.
Only one level of parenthesis is supported. When no parenthesis
are used, a logical AND has precedence over a logical OR.

Not check box when selected, adds the logical negation (not
equal) operator for the operand filter defined at its right.