COMPUTER EQUIPMENT; NAMELY, ELECTRONIC GATEWAYS, ALSO KNOWN AS NODES OR AS NETWORK CONTROLLERS OR AS PROTOCOL CONVERTERS, WHICH ALLOW COMPUTERS, PERIPHERAL TERMINALS, PRINTERS, MODEMS, AND OTHER EQUIPMENT AND INSTRUMENTS TO FUNCTION IN A LOCAL AREA NETWORK; POWER ADAPTER, CABLES, SCREWS, AND PLUGS INCLUDED WITH EACH ELECTRONIC GATEWAY AS A UNIT; ELECTRICAL ADAPTERS, WIRES, AND CABLES; COMPUTER PROGRAMS