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Compare the performance characteristics of co-axial, twisted pair and fiber optics transmission.
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written 9.5 years ago by
teamques10
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| 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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