It integrates a splice tray, pre-terminated drop cables (1, 2, 4, or 8 fibers), fiber patch cords, and shutter-type adapters in one compact enclosure. An Access Terminal Box (ATB), also known as a fiber access socket or fiber pizza box, is an indoor optical connection device used to link fiber drop cables with the optical distribution network (ODN). Built with an IP65-rated enclosure, this terminal box is designed to withstand harsh environments, making it suitable. FTB max for mass deployment in residential units – terminates 168 fibers in a compact design.