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Crosstalk occurs in twisted pair wire when a current or signal in one wire can produce an unwanted current or signal. If the two wires run parallel to each other the chance for crosstalk increases.

Mutual inductance is a consequence of an alternating current (AC) in one conductor developing a fluctuating magnetic field which induces current flow in another close-coupled conductor. In computer networking or communication, this is termed cross-talk.

The signal in the source wire is mirrored (at a lower strength) in the other. Where two conductors run parallel to one another for long lengths, the cross-talk signal is additive and can be considered as noise, where the other conductor is carrying its own signal.

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16y ago

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Crosstalk interference is the tendency of signals on one twisted-pair wire to interfere with signals on a wire next to it?

True


In twisted-pair wire how does the twist ratio affect transmission?

(1) the higher the twist, the higher the throughput (2) The higher the twist, the the lower the crosstalk


With the use of unshielded twisted pair copper wire in a network what causes crosstalk with the cable pairs?

the magnetic field around the adjacent pairs of wire


Does Shielded Twisted Pair wire follow the same standards as Unshielded Twisted Pair wire?

No


Why two wires are used in twisted pair cable?

You may need a "return" for the signal. If you do not the other wire is twisted in various configurations along the length to reduce crosstalk and signal leakage. It is easier to balance capacitive loads,


How do you avoid crosstalk?

Don't run too much wire together in a bundle. You can also go with STP, which is Shielded Twisted Pair and that does not have much crosstalk. There are pipes you can buy where you run cable through them that are also suppose to help.


What is the operation principle of a twisted pair wire in transmission media?

Describe the basic construction of twisted pair wire?


What are major limitations of twisted-pair wire?

twisted pair wire is limited in distance, bandwidth, and data rate.


Why do UTP and STP have twists?

STP - Shielded Twisted Pair is twisted to reduces crosstalk. Crosstalk is when the signal crosses wire and reduces the communication quality. Twisting the pairs reduces the signal transmission to other wires in the cable "pack". Twisting them increases the length the cable can be run. Category 5 has a usable length of 100m, 330ft.


What are some of limitation of twisted pair wires?

twisted pair wire is limited in distance, bandwidth, and data rate.


What is Significant of twisting in twisted pair cable?

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What are the advantages of ordinary twisted pair compared to the shielded ones?

Twisted pair wire is placed inside a thin metallic shielding, similar to aluminum foil, and is then enclosed in an outer plastic casing. The shielding provides further electrical isolation of the signal-carrying pair of wires. Shielded twisted pair wires are less susceptible to electrical interference caused by nearby equipment or wires and, in turn, are less likely to cause interference themselves. Because it is electrically "cleaner," shielded twisted pair wire can carry data at a faster speed than unshielded twisted pair wire can. The disadvantage of shielded twisted pair wire is that it is physically larger and more expensive than twisted pair wire, and it is more difficult to connect to a terminating block.