Design for 19 inch cabinet and rackUniversal modular design, Snap in latch, easy installation and maintenance4U patch panel equipped with pullout cable tray, front and rear access4U patch panel equipped with metal handle in the front, easy installation and cabl managing1U2U patch panel sliding drawer design, easy access1U2U4U patch panel with MPO-LC cassette module, up to 72144288-fiber high-density1U2U patch panel equipped with cable tray, Velcro strip and cable ringsCable route identification, easy managing and maintenance