Black Box LR1530A-R3, LR1530A-EU-R3 manual Introduction to Filtering

Introduction to Filtering

( ) brackets	Used in pattern filters to separate portions of filter
	patterns for specific operators.

Example: 12-80&(14-2414-32) This filter pattern will be checked in two operations. First the section in brackets will be checked and then the results of the first check will be used in the second check using the first portion of the filter pattern. If the packet information starting at the 14th octet equals 24 or 32, and the information at the 12th octet equals 80, the filter pattern will match.

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