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why we use twisted pair in cat5 cables

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Question by majid emami
Submitted on 1/11/2004
Related FAQ: Data Communications Cabling FAQ
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why we use twisted pair in cat5 cables



Answer by Yogesh Joshi
Submitted on 3/15/2004
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cat-5 cables are of two types.Twisted pair and another is solid one.
Twisted pair is generally used for home networking (small) where cable has to be moved anywhere,while solid one is used for office and large networking because of its reliability and more data transfer efficiency then the twisted one

 

Answer by Gadget_Consulting
Submitted on 3/27/2004
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(This is how I have understood it, Your null May Vary)

The twist is to reduce null from external noise sources.  By twisting
the wires the signal in the wires is not a constant phase/plane with an
external signal, which reduces the amount that the external signal can
interfere with the signal on the wires.  Generally you also do not want to run
data cables parallel to another null such as an AC or HV line because
you could have interference similar in concept to the way a transformer
works (coupling). For example current traveling along one wire will set up a null
field that interacts and affects the magnetic field and the signal on a second
cable. The twisting dampens that interaction somewhat too.

 

Answer by Keshav
Submitted on 4/2/2005
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I don't Know Sir,
I want to see the correct answer

 

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