These products are uniquely designed adapters created to use with D sub connectors. The D-subminiature or D-sub Connector is a common type of electrical connector commonly used within computer and other electronic systems. They are named for the D shaped metal shield that surrounds the connecting elements which may be male (with prongs) or female (with corresponding sockets). D-sub connector accessories add to or change the functionality of the D-sub connector or improve its durability.
Typical D sub adapter applications include: