AB style switches

analog switchers that are designed to be used in applications whenever multiple computer sources must be connected to a single display device such as a monitor, projector, or LCD panel. For example, multiple VGA or SVGA PCs may be connected to a single data projector or PCs and Macs may be connected to a single data projector. Extron carries an extensive line of AB style switches at http://www.extron.com/prodline.htm . See also Projection .