computer software for network management; FDDI (Fiber Distributed Data Interface) bridges and routers; hubs; mainframe connection interfaces to existing local area networks; and local area network and distribution products; namely, multiplexers, modems, fiber optic and copper wiring, repeaters, multiple access units (MAU's), baluns, patch panels and expander panels

ELECTRONIC COMMUNICATION EQUIPMENT, NAMELY FIBER OPTIC CABLES, [ OPTICAL SPLITTERS FOR FIBER OPTIC CABLES, OPTICAL COUPLERS FOR FIBER OPTIC CABLES, ] FIBER OPTIC MODEMS, FIBER OPTIC AND COAXIAL MULTIPLEXER UNITS, [ FIBER OPTIC PROTOCOL CONVERTERS, ] AND FIBER OPTIC VIDEO LINKS