Ключевые слова: background, board, cable, cabling, closeup, color, communication, computer, computer network, connect, connection, connection block, cord, data, digital, distribution, electrical, equipment, global communications, hub, industry, infrastructure, line, network, networking, panel, patch, red, switch, switchboard, system, tech, technology, telecommunication, telecommunications equipment, telephone, telephone line, wire, wired, wiretapping,