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Why do the wire pairs have different twist rates?

Anonymous

∙ 14y ago

Updated: 12/24/2022

To help prevent cross-talk between the pairs.

Wiki User

∙ 14y ago

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Related Questions

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

How many pairs of wire does 1000Base-T connectors use?

Four pairs

How many pairs of wire does gigabit ethernet use on utp cable?

4 pairs of wires.

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

How do you tighten a fence?

take fencing pliyers and twist the wire.

How do you properly connect wires using a wire nut with pigtail?

To properly connect wires using a wire nut with pigtail, strip the insulation off the wires, twist them together, and then twist on the wire nut securely. Finally, attach the pigtail wire to the wire nut to create a secure and reliable connection.

What are the different wire connectors available for electrical connections?

There are several types of wire connectors used for electrical connections, including twist-on wire connectors, crimp connectors, solder connectors, and push-in connectors. Each type has its own advantages and is used for different applications based on the specific needs of the electrical connection.

What are the applications of twisted pair wire?

One application is when signal isolation is required. Twisted pair wire tends to self-shield for differential signals. This is because external interference induces equal currents in both conductors due to the symmetry of the twists. The differential input then cancels out the common-mode (equal on both wires) noise, allowing the desired differential signal to pass. One interesting example of this is UTP (CAT5, CAT6, etc.) cable used for ethernet cabling. If you strip the jacket off of a length of cable, you will notice (obviously) that the pairs are twisted. Look closely though, and you will notice that each pair is twisted with a different twist-per-inch than the other. If each pair had exactly the same twist, then the pairs cold 'line up' with each other, allowing crosstalk between the pairs (very bad). By varying the twist rate, crosstalk is minimized. In fact, the different twists are prime numbers, which means they never match up anywhere in the cable! Is that cool or what!

How do you use wire nuts?

First twist together the wires to be joined. For larger wire use lineman's pliers to apply twist. Make the twist clockwise. Then twist on the wirenut clockwise on the wires. Wirenuts are rated as to how many wires of a certain size they can hold but in general twist by hand until you can twist no more and then about 1/2 twist with pliers. If the wirenut does not get tight it is too big or internal metal portion could be clogged in some way.

Is there something special about getting the spark plug wire off the plug on 2001 silverado 5.0?

pull and twist on metal sleeve surrounding plug wire. Nope.. try to twist the boot to break the grasp.

What technique is used to achieve 1-Gbps throughput over a CAT 5 cable?

CAT5 cable is actually not able to sustain 1Gbps transfer rates, as the two pairs that are used only for grounding in CAT5, and are used for signal in CAT6, are not controlled as tightly as is necessary for full throughput. A gigabit network, finding itself connected with CAT5 cable, will degrade itself to 300Mbps.

What is the meaning of the term crosstalk?

Interference of signals between wire pairs.

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