CAT 3 with POTS drop?
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CAT 3 with POTS drop?

 
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Guest






Posted: Fri Jan 14, 2005 2:42 am    Post subject: CAT 3 with POTS drop? Reply with quote

Is there any real advantage of using cat 3 for inside wiring for a DSL
installation when the drop to the residence is only a POTS line? The
baud rate would be limited by the drop, I would imagine, but would the
added CAT 3 (or better) make real difference with signal quality?
Underground drops aren't readily replaced by phone companies around
here.

Thanks for replies!
Greg
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jtodd5 dot 1
Guest





Posted: Fri Jan 14, 2005 5:52 am    Post subject: Re: CAT 3 with POTS drop? Reply with quote

darknesslite@hotmail.com wrote:
Quote:
Is there any real advantage of using cat 3 for inside wiring for a DSL
installation when the drop to the residence is only a POTS line? The
baud rate would be limited by the drop, I would imagine, but would the
added CAT 3 (or better) make real difference with signal quality?
Underground drops aren't readily replaced by phone companies around
here.

Thanks for replies!
Greg

TIA 570B recommends a minimum of Cat3 for any residential installation.

When I relocated mine, I used Cat5e just for the peace of mind knowing that
the little performance gain was enough. Plus I had the cable on hand.
I'm sure that there are thousands upon thousands of people using IW for
their DSL without problems. It's a judgment call.
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Dmitri(Cabling-Design.com
Guest





Posted: Fri Jan 14, 2005 6:59 am    Post subject: Re: CAT 3 with POTS drop? Reply with quote

darknesslite@hotmail.com wrote:


Quote:
Is there any real advantage of using cat 3 for inside wiring for a DSL
installation when the drop to the residence is only a POTS line? The
baud rate would be limited by the drop, I would imagine, but would the
added CAT 3 (or better) make real difference with signal quality?
Underground drops aren't readily replaced by phone companies around
here.

Thanks for replies!
Greg

Skip CAT3. Use at least CAT5E for ALL your wiring, voice and data. This
way you'll take advantage of the higher throughput if you re-allocate a
voice drop and make it a data drop in the future. True, it will not
improve your DSL, but in reality you should not even distribute your DSL
throughout the house: you should terminate it on a DSL modem which will be
sitting next to your patch panel.


--
Dmitri Abaimov, RCDD
http://www.cabling-design.com
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James Knott
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Posted: Sat Jan 15, 2005 3:35 am    Post subject: Re: CAT 3 with POTS drop? Reply with quote

darknesslite@hotmail.com wrote:

Quote:
Is there any real advantage of using cat 3 for inside wiring for a DSL
installation when the drop to the residence is only a POTS line? The
baud rate would be limited by the drop, I would imagine, but would the
added CAT 3 (or better) make real difference with signal quality?
Underground drops aren't readily replaced by phone companies around
here.

Cat 3 cable is better than most of that, which the DSL signal passes over.
It won't do much either way. However, if you're running new cable, go with
Cat 5 or better, so that it'd be suitable for network use.
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James Knott
Guest





Posted: Sat Jan 15, 2005 3:38 am    Post subject: Re: CAT 3 with POTS drop? Reply with quote

Dmitri(Cabling-Design.com wrote:

Quote:
True, it will not
improve your DSL, but in reality you should not even distribute your DSL
throughout the house: you should terminate it on a DSL modem which will be
sitting next to your patch panel.

I agree. I hate seeing those filters, scattered around someone's home.
Split the signals near the entrance and send them over their own pairs or
cables. A good choice for DSL, would be the 3rd pair in a 3 pair cable, as
most phones won't use that pair.
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Tom Schmidt
Guest





Posted: Sat Jan 15, 2005 10:29 pm    Post subject: Re: CAT 3 with POTS drop? Reply with quote

<darknesslite@hotmail.com> wrote in message
news:1105652571.331241.167560@z14g2000cwz.googlegroups.com...
Quote:
Is there any real advantage of using cat 3 for inside wiring for a DSL
installation when the drop to the residence is only a POTS line? The
baud rate would be limited by the drop, I would imagine, but would the
added CAT 3 (or better) make real difference with signal quality?
Underground drops aren't readily replaced by phone companies around
here.

Thanks for replies!
Greg

The reason the FCC recently required a minimum of Cat 3 is because of

numerous reports of crosstalk between multiple phones when traditional
quad-four wire is used. BTW EIA/TIA considers Cat 3 obsolete the minimum is
Cat 5e or Cat 6. Technically Cat 3 is fine for POTS.

I'd use TIA rated structured wiring for all new installations. As others
have posted if you are going to install new wiring use a whole house
POTS/DSL splitter to separate POTS from DSL near the Telco NID.

/Tom
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