Subscriber Network (Leased line Network) technique of switching between network nodes (analog or number) have a large number of data transmission lines, with each line in a moment most only one session translation, when the number of stations increased use was found using network switches became uneconomical. To reduce the number of connection lines between network nodes people give a transplant technique called kenh.ieu (bipolar) for transmission over the transmission line.
đang được dịch, vui lòng đợi..