| 1-Recognize the basic elements of the communication system. Compares the place of DC and AC signals in communication. 2-Comprehends the characteristics of voice and its band in telephone communication. 3-It learns the systems and cables between the subscriber and the switchboard and makes measurements on the system. 4-Comprehends the basic principles of switching in telephone exchanges. 5-To be able to apply statistical calculations related to telephone traffic and calls and to comprehend telephone density and its expression, Erlang theory. |