The fiber distribution box, also known as the optical fiber termination box, is a critical component in fiber optic networks. The distribution box provides. Fiber closure protects spliced fibers in backbone and feeder lines, fiber box (or fiber distribution box) organizes and splits fibers in communities or buildings, and fiber terminal box provides the final termination for indoor drop cables. To ensure consistent performance and longevity, it is essential to adhere to strict technical specifications.