Ключевые слова: blue light, cable connection, close up, computer hardware, computer network, connectivity, data center, data communication, data transfer, digital technology, ethernet cable, fiber optic, glowing, hand connecting, high speed internet, internet connection, internet of things, it infrastructure, lan cable, macro photography, network cable, network infrastructure, network security, network technician, networking, rj45 connector, server port, server rack, system administrator, technology,