Cable management system shall mount horizontally to a standard 19 in equipment rack. The system shall be designed with slotted duct configuration for copper and fiber cabling systems. It shall be cULus listed and compliant with ANSI/TIA-568-C standards. The material shall be PVC rated for 94 V-0. It shall have a duct cover and bend radius compliant router to transition between horizontal and vertical slotted ducts.