May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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Reference Models and Network Devices 33
receives signal, regenerates it and sends the refreshed copy back to the link. Doing this means that the
new signal is clean and free from any background noise introduced while travelling down the wire.
In Figure 2.7, two sections in a network are connected by the repeater.
Repeaters are most commonly used to extend a network. All network cable standards have maximum
cable length specification. If the distance between two network devices is longer than this specification,
a repeater is needed to regenerate the signal. Without the repeater, the signal will be too weak for the
computers on each end ...
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