SDX Metal Fiber Optic Adapter Plates work with wall- or rack- mount SDX enclosures and Leviton multimedia adapter brackets. SDX Adapter Plates are available in LC, Shuttered LC, MTP®, and QUICKPORT snap-in connector styles. Leviton SDX Metal Fiber Adapter Plates are used in conjunction with SDX panels or enclosures (rack- or wallmount) to provide a means to connect backbone to backbone or backbone to horizontal fiber cabling.