D UNIVERSAL Series of XLR Type Connectors & Accessories – TUK LTD FACK4BkDpm, This TUK FACK4BkDpm Category 5e Unshielded D Universal Coupler is designed to fit industry standard keystone outlets and patch panels. High performance data throughput meets Category 5e data transfer rates. This coupler is also suitable for use with PoE (Power over Ethernet) devices. TUK LTD FACK4BkDpm D universal, Black Cat5e through coupler