The terminal box sits at the premises edge: in a hallway cabinet, apartment wall plate, small office IDF, or MDU corridor. In telecommunications, a network interface device (NID; also known by several other names) is a device that serves as the demarcation point between the carrier's local loop and the customer's premises wiring. Outdoor telephone NIDs also provide the subscriber with access to the station wiring and. A fiber optic wall outlet termination box, sometimes referred to as a wall-mounted fiber termination outlet (FTO) or optical network terminal (ONT) enclosure, is a passive device designed to house and protect the splicing, termination, and distribution of fiber optic cables within residential or. Fiber to the x (FTTX; also spelled "fibre") or fiber in the loop is a generic term for any broadband network architecture using optical fiber to provide all or part of the local loop used for last mile telecommunications. It is typically located on the exterior wall of a building. It terminates the drop cable, presents SC/APC ports for the ONT patch cord, and protects the optical budget — or lets it erode through sloppy workmanship.
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