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8.3.2 Coaxial Cables
It is a commonly used thick cable for connecting
the satellite dish to the television set today. It was
initially used in connecting regional networks and
later employed in local area networks with a speed
of 10 megabits per second.
The coaxial cable consists of four parts: an inner copper core surrounded by
insulation, surrounded by an outer metal conductor, and finally enclosed in an outer
plastic cover. This configuration minimizes signal interference in the coaxial cable
with other adjacent wires.
8.3.3 Fiber Cables
It is glass fibers made of pure glass, long, thin,
with a thickness no greater than a strand of
hair, carrying information in the form of
optical signals. Many of these fibers are
bundled inside optical cables and are used to
transmit optical signals over long distances, such as between buildings or locations,
and even submarine cables that connect continents.

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