Computer hardware; computer software for operating and/or managing computer networks, Ethernet switches, routers, and/or serial devices forming a network; computer software for operating and/or managing communication networks and networking infrastructure; computer software for detecting and recovering from a fault in a communication network; computer software for detecting and recovering from a fault in the communications network, and, monitoring and diagnosing network infrastructure; computer software for monitoring the performance and the physical structure of a communications network or a computer network; computer software for managing and visualizing the performance of a computer network; computer software, namely, an embedded operating system for computers, managed Ethernet switches, routers and/or serial device servers forming a network; computer software, namely, an operating system for computers, managed Ethernet switches, routers and/or serial device servers connected to a network; computer network communication routers; switches, namely, computer switches and Ethernet switches; gateway routers in the nature of computer control hardware; computers and modems; fiber optic cables, connectors and filters; fiber optical networks composed of hubs, switches, routers, computer hardware, computer adaptors, and/or network bridges and parts therefor; fiber optical Ethernet networks composed of hubs, switches, routers, computer hardware, computer adaptors, and/or network bridges and parts therefor; fiber optical networks comprised of hubs, switches and fiber-to-copper media converters, communication hubs, communication routers and switches having mixed fiber optical and electrical media ports; computer network hubs, switches and routers having fiber optical ports; computer hubs, routers and switches having mixed fiber optical and electrical media ports; fiber optical Ethernet networks comprised of hubs, switches, fiber-to-copper media converters, serial interface to Ethernet servers, communication hubs, communication routers, computer hubs, computer network routers, switches and serial interface to Ethernet servers having mixed fiber optic to electrical media ports, and parts therefore; computer network hubs, switches and routers having optical ports and parts therefore; computer hubs, routers, switches, serial interface to Ethernet servers and serial device servers having mixed fiber optic and copper ports; video encoders; fiber optic to cable converters; fiber optical to electrical media converters; serial to Ethernet gateways; serial device servers

Communication network management, namely, remote management of telecommunication networks for others for others; communication network management, namely, managing telecommunications networks for others

Technical support, namely, monitoring of network systems; computer network diagnostic services; communication network diagnostic services; diagnostic services in the field of computer networks; diagnostic services in the field of communication network systems, computer network design for others; computer network consulting services; computer networking management, namely, remote management of computer applications for others; computer network management, namely, managing computer networks for others; communication network consulting services relating to hardware and software for computer communication networks