E2XHD Rear cable manager for flat panels with fiber cable management rings. four 1/4 rings. The e2XHD Patching system provides a high density solution for enterprise and data center applications where fast deployment and simple maintenance are priorities. Cassettes quickly snap in and pull out of 1RU and 4RU panels, making installation, moves, adds and changes easier than ever. A rear cable manager is available to support incoming fiber and copper cables and blank cassettes snap into the rear of panels to block any unused openings. Copper cassettes are available either on pre-terminated trunks or with field-terminated connectors and fiber cassettes are pre-terminated.