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The twists in the wire cancels the magnetic coupling (or nearly all of depending on if there are even or odd number of twists). See Clayton Paul's book on Introduction to EMI/EMC.

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17y ago

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How many wires in cat 6?

A category 6 cable contains 4 pairs of wires, for a total of 8. The pairs are twisted together along the length of the cable, which helps to reduce noise and preserve the signal.


Why the cables are twisted?

This helps reduce electromagnetic interference. One side of the cable may be nearer the source; if the cable is not twisted, the effects may accumulate. If it is twisted, the pattern alternates between voltage in one direction, and voltage in the opposite direction, so the interference will be cancelled, not completely, but to a great extent.This helps reduce electromagnetic interference. One side of the cable may be nearer the source; if the cable is not twisted, the effects may accumulate. If it is twisted, the pattern alternates between voltage in one direction, and voltage in the opposite direction, so the interference will be cancelled, not completely, but to a great extent.This helps reduce electromagnetic interference. One side of the cable may be nearer the source; if the cable is not twisted, the effects may accumulate. If it is twisted, the pattern alternates between voltage in one direction, and voltage in the opposite direction, so the interference will be cancelled, not completely, but to a great extent.This helps reduce electromagnetic interference. One side of the cable may be nearer the source; if the cable is not twisted, the effects may accumulate. If it is twisted, the pattern alternates between voltage in one direction, and voltage in the opposite direction, so the interference will be cancelled, not completely, but to a great extent.


How is noise limited in systems using unshielded twisted pair cable?

The twisting in the cable helps. Also, you must keep the cables far from sources of noise, such as heavy machinery. If this is not possible, another option, such as STP (shielded twisted pair) must be used.The twisting in the cable helps. Also, you must keep the cables far from sources of noise, such as heavy machinery. If this is not possible, another option, such as STP (shielded twisted pair) must be used.The twisting in the cable helps. Also, you must keep the cables far from sources of noise, such as heavy machinery. If this is not possible, another option, such as STP (shielded twisted pair) must be used.The twisting in the cable helps. Also, you must keep the cables far from sources of noise, such as heavy machinery. If this is not possible, another option, such as STP (shielded twisted pair) must be used.


What does utp cable relies on to reduce signal noise cause by emi and rfi?

Shielding


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Number of wire pairs in a Category 5 cable?

There are four wire pairs. White/Blue - Blue, White/Orange - Orange, White/Green - Green, and White/Brown - Brown. Only two pairs are used in Cat5 networks.


Why is twisted pair cable replacing coaxial cable?

Twisted pair cable is replacing coaxial cable primarily due to its cost-effectiveness, flexibility, and ease of installation. It is lighter and more manageable, making it suitable for a wider range of applications, especially in networking environments. Additionally, advancements in technology have improved the performance of twisted pair cables, enabling higher data transfer rates and better noise resistance, which enhances overall communication quality.


To reduce the amount of electrical noise or interference on a scsi cable each end of the scsi chain has a?

terminanting resistor


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