Computer hardware; telecommunications equipment for use in fiber optic networks, namely, data multiplexers, modular open-slot chassis, routers and switches; computer hardware for use in fiber optic networks; optical network element hardware, namely, systems and subsystems comprised of transponders, transmitters, receivers, multiplexers, optical band and wavelength filters, amplifiers, optical switches and routers, optical and electrical signal performance monitors, system control and management modules; embedded optical network element software, namely, firmware that adds network intelligence, functions and features to the aforementioned hardware; and optical network element and optical network management software developed for monitoring, control, provisioning, configuration, reconfiguration and management of the aforementioned network element hardware and firmware as well as the optical networks resulting from the interconnection of network elements; computer hardware and computer software for use in data communications, namely, a dense wavelength-division multiplexer for fiber optic transmission systems; WAN (wide area network) hardware; SAN (storage area network) hardware; metro area network hardware; LAN (local area network) hardware; network routers; computer networking hardware, namely, Ethernet hardware, adapters, controllers, repeaters, switches, and transceivers; network hardware for video-over-IP, computer, and cellular data; wireless network hardware; computer network hardware for Gigabit Ethernet, Fast Ethernet, Fiber Channel, and traditional voice traffic; embedded computer network software for setting up, configuring, administering, regulating, optimizing, and troubleshooting computer networks; computer network servers; network servers