Large multi-fiber cables are fed into the ODF and broken out into individual fibers or pigtails that are easier to manage. In modern data centers and enterprise networks, Optical Distribution Frames (ODF) serve as the backbone for organizing, terminating, and managing fiber optic connections. Bottom installation: Select a proper installation position in the equipment room and drill four holes in the floor. This complete guide explores everything you need to know about ODFs — from their structure, types, and key components, to installation best practices and modern design trends. The ODF consists of a metal housing, cable entry ports.