 KeizerI'M Your HuckleberryPremium,MVM
join:2003-01-20 | DSL speed and phone lines. I have had DSL with the same company for years now. I am very happy with their service. I have a home run line from the NID to the modem, and two other home run lines from the NID to both ends of the house. I AM NOT using a splitter at this point in time.
I am wanting to upgrade from their one meg download package to their six meg package. The guy went ahead and bumped me up to the six meg speed, but all I got was just over 4 meg when I ran speed tests. If I go out to the NID and unplug the two home run lines to each end of the house, I get 5800 down (close enough to my 6 meg).
So, the guy at the phone company wants to install a NID splitter to get me my 6 meg with the house phones connected. He said I can then take the filters off the phones inside the house.
My questions are, how exactly will the splitter bump me up from 4 megs to 6? Also, why does adding the two phone lines decrease my speed from 5800 to 4000? There are filters on the two phones, but even if I unplug the filter and phone from the jack, it changes nothing. Unless I actually go out to the NID and disconnect the actual lines, I don't get my 5800 speed.
Is it normal for speeds to slow some by just adding phone lines? I am at the distance limit for getting the 6 meg package, and the phone tech said that even small things can affect the speed. That's why they want to install the splitter. Will the splitter simulate not having the phone lines connected?
Thanks!! |
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Mangowww.toao.net
join:2008-12-25
Alberta
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| said by Keizer:Will the splitter simulate not having the phone lines connected? Yes. What they want to do is filter the extensions at the NID rather than at the jack which will dramatically reduce the chances of the other extensions introducing noise on the line. This is, in my opinion, the correct way to install ADSL. It's relatively common that some extension causes problems with ADSL (or, a few years ago, with fax and modems) even if nothing's plugged into it, if it is not filtered at the NID. I'd go for what your phone tech is suggesting.
m. 
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KeizerI'M Your HuckleberryPremium,MVM
join:2003-01-20 | reply to Keizer
Thanks for the reply!! I appreciate it! |
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 ttiiggyPremium
join:2001-03-27
Bozeman, MT | Think of it this way:
Each phone wire in your residence can also act as an antenna that receives signal; = interference.
Each wire has x amount of length that is still connected to the splitter before it gets to the phone filter and can feed interference back to the DSL signal.
If you filter the signal at the point the line splits, there is less wire & less interference to get with the DSL signal. |
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public
join:2002-01-19
Santa Clara, CA | reply to Keizer
said by Keizer: I have a home run line from the NID to the modem, and two other home run lines from the NID to both ends of the house. I AM NOT using a splitter at this point in time. You do not have a home run. Read the dsl faq.
Your wiring error is limiting your speed. |
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 jack bGone FishingPremium,MVM
join:2000-09-08
Cape Cod
kudos:1 | reply to Keizer
At higher provisioned speeds, DSL signals are more prone to even minor interference causing a drop in performance. The branch house wiring to other jacks after the NID can reflect DSL signals, attenuating them.
A whole house splitter effectively eliminates the DSL signals from all house wiring except for the data run feeding your modem.
Even if you have to pay a nominal fee for this install, I'd say go for it.
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KeizerI'M Your HuckleberryPremium,MVM
join:2003-01-20
4 edits | reply to public
said by public:said by Keizer: I have a home run line from the NID to the modem, and two other home run lines from the NID to both ends of the house. I AM NOT using a splitter at this point in time. You do not have a home run. Read the dsl faq. Your wiring error is limiting your speed. Woops, do I have the terminology wrong? What I meant was, instead of daisy chaining lines together, each phone jack is wired from the NID, to the jack......including the modem run.
An update though from the guy that didn't read the FAQ, and doesn't know the terminology. Originally my office phone line ran in the same CAT 5 bundle that goes to the modem in the office. Two of the twisted pairs were being used. It was a pretty long run, so I disconnected the one twisted pair that was acting as a regular phone line. I then went back to the NID, and ran a short run of CAT 5 to the office for the phone. I am now getting my 6 megs, or pretty darn close to it.
I will still have them install the splitter, because I really think it's a good idea. I also believe that short runs from the NID to each phone jack is the key. |
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KeizerI'M Your HuckleberryPremium,MVM
join:2003-01-20
1 edit | All is good! Thanks for the help! |
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