Ключевые слова: abstract, bandwidth, black, blue, business, cable, cat5, closeup, color, colorful, colour, communication, computer, connect, connection, copper, cord, data, digital, equipment, ethernet, flow, global, green, industry, internet, isdn, isolated, lan, line, link, macro, modem, network, networking, office, plug, power, red, rj45, security, technology, telephone, twin, web, white, wire, wired, yellow,