Ключевые слова: access, black background, black hub, broadband, business, cable, communication, commutator, computer, computer equipment, connect, connection, connector, cord, device, digital, electronic, equipment, ethernet, firewall, gigabit port, hardware, interface, internet, lan, managed switch, managment, net, net hub, net part, network, networking, nobody, patch cord, plug, poe, port, power, power line, power over ethernet, rj45 jack, router, smart, switch, technology, wan, web, wide area network, wire, wire connector,