Mounts to standard TIA/EIA 19 in racks|Punchdown patch panel meet all industry performance standards for Cat 6A, 6 and 5e|Modular patch panel accept all NetKey module|Molded patch panel made of strong polymer material, with port numbering front and back|Strain relief bars assist in cable management and bend radius control|The NetKey high density modular patch panel accepts up to 48 keystone module for unshielded application in 1RU and mounts to 19 in and 23 in racks and cabinets