Ключевые слова: abstract, background, broadband, bus, business, cable, cabling, closeup, color, communication, component, computer, concept, connect, connection, date, distribution, dsl, electric, electrical, electricity, electronic, energy, equipment, ethernet, industrial, industry, installation, internet, link, macro, network, networking, online, pair, panel, patch, power, service, switch, switchboard, system, technical, technology, telecom, telecommunication, telephone, terminate, wire, wires panel,