This document provides specifications for various distribution boxes including dimensions, mounting sizes, and number of ways. Discover Fiber Distribution Hubs (FDHs), fiber cabinets, and other outdoor cabinet solutions by CommScope. Wiring diagram shows both PNP and NPN wiring. Dimensions are shown in mm (in. Murrelektronik supplies a comprehensive range of distribution boxes: They create optimum installations for any application and are cost-effective, reliable. Our mission is to meet customer"d5s expectations by providing satisfaction through cost, quality, service, delivery and continuous improvement.