The 19 inch 1U/2U ring cable managers are constructed using steel and finished in powder coated black, with 50mm deep steel rings. These ring guides allow patchcords to exit at any point and provide a pleasing look to the cabinet. The cable managers are designed for use in 19 inch rack environments for managing patchcords that are connected between patch panels and the network switch. It is recommended that one cable manager is mounted between every patch panels or a network switch. All cable managers are design to meet EIA-310-E standard and hence all compatible with any 19 inch racks or cabinets. PPC cable management products deliver excellent cable management support when used in conjunction with other PPC 19 inch products.