Default's Neutral-ODU-B-48C is an advanced ODF unit box designed for high-capacity fiber optic management. This B type ODF supports up to 48 cores and includes a welding module tray. Fiber Management Tray also called ODF Distribution Box, Integrated Splicing and Distribution ODF. Welding. Optical distribution frame is used to provide cable interconnections between communication facilities, which can integrate fiber splicing, or termination, fiber optic adapters / connectors and cable connections together in a single unit. With optional adapters like SC, LC, FC, and E2000, it serves engineers and procurement personnel looking for. ODF series indoor optical fiber distribution box is used in the terminal access link of FTTH system. With ODF patch panel, it's easy to realize the connection, distribution and branch of the optical fiber cable.