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2 wire vs 4 wire DSL

February 13, 2009 at 03:29:52
Specs: WinXP, 1.5Ghz, 256MB

I believe my home has two wires connected to each phone jack. The other two are not connected. If I want to get DSL do all 4 wires need to be connected? If so, is this something you can do yourself? Thank you!

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#1
February 13, 2009 at 04:35:58

No, two wires are enough. DSL is transmitted over the standard telephone wire. The other two wires are unused and are there for when the same cable is used for a different purpose.

Cat5 cable used for Ethernet has eight wires but in normal use only four are used. It saves having a different cable for every use. The same cable can have multiple uses.

Stuart


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#2
February 13, 2009 at 04:58:50

Pardon my curosity but is this in any way related to your using DSL splitter setup with Wilcom PS15, as discussed HERE?

i_Xp/VistaUser


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#3
February 13, 2009 at 15:52:59

Thanks for your responses. Yes, this is related to my earlier post.

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#4
February 13, 2009 at 22:04:49

The standard 4-wire modular phone cables work with single or two line phones. Single line phones only need 2 wires and just ignore the other 2. Two line phones need all 4. Most houses have 4 or 6-wire cables running through the walls but the jacks themselves are often connected only for a single line. So when adding a second line you need to pull the jack out and hook up the second pair of wires.

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#5
February 23, 2009 at 06:28:51

Thank you all for your responses! I was a little confused with standard telephone wiring and CAT5 wiring I quess! Anyway my home only has a single line so, as you described, I only need two wires connected.

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