Each frame holds up to eleven 4RU enclosures with twelve sliding trays that can accept four different types of cassettes. Patent US 10,215,944 Factory or field terminated. quipment for the realization of optical fiber connection. Cross-con-nections and direct connection can be two ways to. From a frame and rack standpoint, we offer GR-449 compliant rear cable access frames and zone 4 compliant front cable access frames. With innovations such as CommScope's access trays, universal adapter packs, cabled modules and MPO modules, installing and maintaining large amounts of fiber. An Optical Distribution Frame (ODF) is the central hub for fiber splicing, termination, patching, and cable protection in modern optical networks. Representing less than 5% of a typical IT project investment, high density, performance, and quality are pivotal attributes for an ODF ensuring business continuity 24 hours a day, seven days a. NORDEN Fibre optic distribution frame is a high-capacity, high-density fibre distribution frame, suitable for the composition and distribution of fibres in optical access network to achieve the fibre optic lines connection, distribution and scheduling. It is made of top quality steel and deformed.