Compare the performance characteristics of co-axial, twisted pair and fiber optics transmission.

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written 7.8 years ago by

Twisted Pair cable	Co-axial cable	Optical Fiber
Transmission of signals takes place in the electrical form over the metallic conducting wires.	Transmission of signals takes place in the electrical form over the inner conductor of the cable.	Signal transmission takes place in an optical form over,a glass fiber.
Affected due to external magnetic field.	Less affected due to external magnetic field.	Not affected by the external magnetic field.
Noise immunity is low. Therefore more distortion.	Higher noise immunity than the twisted pair cable due to the presence of shielding conductor	Highest noise immunity as the light rays are unaffected by the electrical noise.
Low cost	Moderately expensive	Expensive
Low bandwidth	Moderately high bandwidth	Very high bandwidth
Attenuation is very high.	Attenuation is low.	Attenuation is very low.
Electromagnetic interference can take place.	Electromagnetic interference is reduced due to shielding.	Electromagnetic interference is absent.
Power loss due to conduction and radiation.	Power loss due to conduction.	Power loss due to absorption, scattering, dispersion and bending.
Supports Low Data rates.	Moderately high Data rates.	Very High Data rates.
Short circuit is possible.	Short circuit is possible.	Short circuit is not possible.
Installation is easy.	Installation is fairly easy.	Installation is difficult.

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