Answer:
Fiber optic cable technology:A
technology that uses glass (or plastic) fibers to transmit data. A fiber optic
cable consists of a bundle of glass threads, each of which is capable of
transmitting.
Advantages:
·
They provide high
quality (low error rate) transmission of signals at very high speeds.,
·
In comparison to
copper, a fiber optic cable has nearly 4.5 times as much capacity as the wire
cable has and a cross sectional area that is 30 times less.
·
Optical fibers are
difficult to tap. As they do not radiate
electromagnetic energy, emissions cannot be intercepted.
·
An optical fiber has
greater tensile strength than copper or steel fibers of the same diameter. It is flexible, bends easily and resists most
corrosive elements that attack copper cable.
·
The raw materials for
glass are plentiful, unlike copper. This
means glass can be made more cheaply than copper.
Disadvantages:
·
Limited physical arc of
cable. Bend it too much and it will break.
·
Difficult to splice.
·
Physical vibration will
show up as signal noise.
·
Loss of light in fiber
due to scattering. (Attenuation)