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    noise margin 14.db with slow internet?

    This is a discussion on noise margin 14.db with slow internet? within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hey my internet has been running really slow lately here is my settings anyway to fix it? ADSL Link Downstream ...

    1. #1
      mccabe1990's Avatar
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      noise margin 14.db with slow internet?

      Hey my internet has been running really slow lately here is my settings anyway to fix it?

      ADSL Link Downstream Upstream
      Connection Speed 1347 kbps 796 kbps
      Line Attenuation 47.0 dB 26.8 dB
      Noise Margin 14.1 dB 15.9 dB


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    3. #2
      Scubbie's Avatar
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      Re: noise margin 14.db with slow internet?

      How is your router connected to the telephone line?

      For example are you using microfilters, filtered faceplate, a telephone extension, short ADSL lead supplied with the router?

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
      Previous ADSL2+ Speed 19999 kbps 1153 kbps, Line Attenuation 17.5 db 6.9 db, Noise Margin 7.5 dB 8.7 dB
      Speedtest: 17.15MB/s 0.97Mb/s Ping 31 ms

    4. #3
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      Re: noise margin 14.db with slow internet?

      ADSL lead supplied with the router that connects to a small box with two connections that then connect to the wall I'm not sure what you call it

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      Re: noise margin 14.db with slow internet?

      Ok, the pic below is of a Microfilter. There should be one installed in every telephone socket in your home, before anything else:



      Could you see if your telephone socket is an NTE5 socket and plug the microfilter into the Test Socket behind the faceplate please?

      Sky User - How to test your Master Socket

      If you can then post your connection stats from the Test Socket.

      Sky Fibre Unlimited Pro: Connected at 80,000 kbps / 20,000 kbps
      Previous ADSL2+ Speed 19999 kbps 1153 kbps, Line Attenuation 17.5 db 6.9 db, Noise Margin 7.5 dB 8.7 dB
      Speedtest: 17.15MB/s 0.97Mb/s Ping 31 ms

    6. #5
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      Re: noise margin 14.db with slow internet?

      On the face of it it looks like your line has had difficulties and has been capped. As your noise margin has gone up it looks like it has been fixed, call Sky and ask them to either rerun DLM on your line or configure it manually.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      Inssider 2/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





    7. #6
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      Re: noise margin 14.db with slow internet?

      Hey thanks for answering back I rang sky and I think they reran my DLM my speeds at

      ADSL Link Downstream Upstream
      Connection Speed 6912 kbps 512 kbps
      Line Attenuation 43.0 dB 28.0 dB
      Noise Margin 7.3 dB 16.0 dB

      why does it get capped? do they just randomly put peoples speeds down because some people won't notice?

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      Re: noise margin 14.db with slow internet?

      Quote Originally Posted by mccabe1990 View Post
      Hey thanks for answering back I rang sky and I think they reran my DLM my speeds at

      ADSL LinkDownstreamUpstream
      Connection Speed6912 kbps512 kbps
      Line Attenuation43.0 dB28.0 dB
      Noise Margin7.3 dB16.0 dB

      why does it get capped? do they just randomly put peoples speeds down because some people won't notice?
      It's to ensure the stability of your line is there is a fault :-)

    9. #8
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      Re: noise margin 14.db with slow internet?

      do they just randomly put peoples speeds down because some people won't notice?
      Many paranoid individuals think this is the case, but I can assure you it is not. Many also don't realize that DLM continues to run on all lines after the training period is complete. If it detects too many errors on the line it will reduce the speed until the errors are corrected. In a perfect world when the line is improved and would allow a better speed, DLM should come in and increase the speed automatically. Unfortunately this very seldom happens and either the DLM training has to be restarted or the line has to be configured manually.

      TomD


      Please note the views and recommendations in my posts are my own and in no way reflect the views of SkyUser.


      Useful Utilites

      Inssider 2/ TCPOptimiser /Test Socket

      Note - When downloading always select the Custom install or you will end up with stuff you don't want.





    10. #9
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      Re: noise margin 14.db with slow internet?

      ok thanks will everything is working great now

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      Re: noise margin 14.db with slow internet?

      Hope your cool,
      Yeah DLM has put you on G.DMT which has stabilized your line and increased the download speed. Your line attenuation is lower because the modulation type has changed to ADSL (G.DMT). Them stats look fine now and connection should now be fine.

     

     
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