Ключевые слова: background, backgrounds, business, chrome, close up, closeup, color image, communication, component, computer, computer cable, computer network, connect, connection, connection block, connector, data, db 9, db9, device, electric, electrical, electrical equipment, electronic, electronics, electronics industry, equipment, hand, hardware, human finger, human hand, industrial, industry, isolated, isolated on white, link, modem, object, product, rs 232, rs232, serial, serial communication, serial connector, stock images, technology, telecommunication, telecommunications equipment, wire,