Operating as a full cross-point switch, any 6Gb SAS port can be connected to any other. In addition, part/all of a port can be forwarded to another 1 or more other ports on a lane-by-lane basis.
Test equipment can now be inserted and removed automatically from the signal path. Signals can also be forwarded simultaneously to both a scope and an analyser, with minimal effect on the signal.
The switch uses simple scripted control, from any standard Serial, Telnet or ReST client (or any standard scripting language). Equipment can be set up without having to visit the rack. This greatly speeds up testing and allows more complex over-night runs.