Ключевые слова: background, cable, check, communication, compact, computer, connect, connection, connector, cord, data, device, diagnostic, digital, electronic, electronics, engineering, equipment, ethernet, indication, instrument, internet, lan, measure, measurement, metering, network, object, plug, port, portable, repair, service, technician, technology, telecom, test, tester, tool, utp, white, wire, work,