Data processing apparatus; Computer workstations comprising telecommunication switches; Computer terminals; Internet servers; Network access server hardware; Computer network server; Fiber optic instruments, namely, optical switches; Apparatus for transmission of communication; Communications servers [computer hardware]; Telegraphs; Computer network adapters, switches, routers and hubs; Ethernet repeaters; Network routers; Gateway routers; Ethernet switches; Telecommunication switches; Electronic and optical communications instruments and components, namely, optical transmitters; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transceivers; Telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; Routers with embedded network configuration software; Computer networking hardware; Recorded computer networking software; Downloadable computer networking software; Structured cabling systems comprised of telecommunications cables and hardware; Telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; Telecommunication exchangers; Computer hardware for telecommunications; Telecommunications multiplexers; Automatic switching apparatus for telecommunications.