A 3U Optical Distribution Frame (ODF) is a type of fiber optic patch panel that is used to terminate and manage fiber optic cables in a telecommunications network. The "3U" in the name refers to the height of the panel, which is three rack units (3U) tall.
An ODF is typically mounted in a telecommunications rack or cabinet and provides a centralized point for connecting and managing fiber optic cables. The panel consists of a number of fiber optic adapters, which are used to connect incoming and outgoing fiber optic cables. The adapters are usually arranged in rows and columns and are color-coded to indicate the type of fiber optic connector they support.

The 3U Optical Distribution Frame can canaccommodate up to 144 SC adapters. The structure is environmentally friendly and beautiful. It is not easy to deform. It is convenient to weld disc fibers and easy to install. It greatly improves work efficiency.

The 3U Optical Distribution Frame is larger than a 1U or 2U ODF and can accommodate a greater number of fiber optic adapters and cables. This makes the 3U ODF a good choice for larger telecommunications networks that require more fiber optic connections.

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