Poor cable management can put strain on a connector that causes misalignment, or the connector may not be properly seated and connected with its mate. Worn or damaged latching mechanisms on connectors or adapters are sometimes the culprit. An optical fiber terminal box is a device used in fiber-optic communication systems to house, organize, and protect fiber-optic cables and their associated components. Instead, they. Fiber optic cables are comprised of multiple optical fibers bundled together, surrounded by a protective layer called the cladding. The cladding ensures the internal light signal is retained within the fiber and prevents loss of signal through absorption or scattering.