The attachment is really well done.    Thanks

Randy Bock Sr.
Quality  Engineer
Enterprise Quality  Assurance
AddressRight Printers
(email)  [log in to unmask]
Newtown Building 2
203 270-4931  Ext
    8-426-4931  In
203 270-4982 Fax

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Lenny Carter <[log in to unmask]> 
Sent by: TechNet <[log in to unmask]>
12/11/2007 10:37 AM
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Re: [TN] twists per inch






sure is!  While I am not expert, I have installed many networks over the 
years and the twists can be very important from one set of wires to 
another 
to cancel out cross-talk as well as other things (attenuation, frequency)
Not knowing what kind of cabling you are talking about or (more 
importantly- 
what you are doing with the cabling)-  all I can say is yes- there are 
different twist rate standards in twisted pair cabling.  I dont know them, 

but I am sure the are out there.  For example- remove the outer sheathing 
on 
common cat5, cat5e, or cat6 network cabling and you will see different 
twist 
rates between the pairs.  doing a quick look- here's a site that happens 
to 
show the different twist rates between the inside 4 pairs in one cat5 
cable.
http://www.jimhayes.com/uncleted/cables.html
See the color pic showing the 4 pairs? - If you look closely- there are 4 
different twist rates- one for each pair so they dont crosstalk between 
them.
Lenny Carter
Design Engineer
ERG, Inc.
www.ergpower.com



----- Original Message ----- 
From: "Phil Nutting" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, December 11, 2007 10:06 AM
Subject: [TN] twists per inch


Is there any standard on the number of twists per inch for twisted pair
wire?

Thanks in advance.

Phil Nutting

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