Communication technology (communication lines) (communication power) what is the difference?
Wireless lines - unattended microwave stations, microwave passive reflectors, radio receiving and transmitting antennas, microwave and satellite communications, earth stations, antennas, feeders, towers, wires, waveguides, and other ancillary equipment.
Communication line equipment, including:(1) overhead lines - poles, wires, cables, wires, wires, cables and other accessories.(2) laying lines - underground, submarine, submarine, pipeline, cable, entry hole, mark stone, water line sign, unattended carrier repeater station, cable gas station and other auxiliary equipment.
Communication line is the channel to ensure the transmission of information. The communication power supply is the unit that provides energy for the whole communication line. It corresponds to the heart of the communication line. In broad sense, the communication line contains communication power supply.
