The ETI-301G-1 is a member of Curtiss-Wright’s EDAU/CDAU/WDAU/nDAU-2000 series family of data acquisition instruments. This card contains 256 individual filters. 255 of these filters are general purpose filters that scan incoming Ethernet frames looking for filter matches. One filter is a No Match filter which stores Ethernet packets that do not match any of the enabled general-purpose filter’s programmed settings.