What is the role of a multiplexer when working with T-carrier lines?
What will be an ideal response?
ANSWER: A multiplexer combines multiple signals from a LAN for transport over the T-carrier line and separates an incoming T-carrier line's combined channels into individual signals that can be interpreted on the LAN. After being demultiplexed, an incoming T-carrier signal passes on to devices collectively known as terminal equipment. Examples of terminal equipment include switches, routers, or telephone exchange devices that accept only voice transmissions (such as a telephone switch).
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