Telecom Overview

- Jul 12, 2017-

    For a practical communication system, in addition to the sending terminal (source), the transmission channel and the receiving terminal (the letter-bed), the exchange equipment is needed to provide the communication connection between the multicast points. 

    The structure and function of the specific equipment of various telecommunication systems are different, which can be abstracted and generalized as the unified model representation, the concrete structure composition The function of the switching equipment is: The Exchange equipment in the user group each pair of user terminals, on demand to provide the transmission channel to form temporary communication connection, and can control the signal flow and the flow of the distribution, so as to achieve common telecommunications facilities and improve equipment utilization ratio.