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    Slow or about right?

    This is a discussion on Slow or about right? within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi Brian. Prior to us getting reconnecting to BT on the 7th Feb we where with Virgin, what the BT ...

    1. #21
      philip41's Avatar
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      Re: Slow or about right?

      Hi Brian.

      Prior to us getting reconnecting to BT on the 7th Feb we where with Virgin, what the BT engineer did when he connected us was to take the Virgin feed and wire it up to the face plate on the master socket, strictly speaking he should not have done this(his words) but did it as a favour.

      The new BT line is definitely the only line connected to the new BT socket, i performed the test my self.

      As for the ring cap, if i remember rightly the Sky TV engineer wired that socket up.


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    3. #22
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      Re: Slow or about right?

      Hi Philip.
      Well if the test socket is the only one that works when the faceplate is removed, I do not see how the sky extension could effect the line when it is disconnected.

    4. #23
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      Re: Slow or about right?

      Quote Originally Posted by Brian69 View Post
      Hi Philip.
      Well if the test socket is the only one that works when the faceplate is removed, I do not see how the sky extension could effect the line when it is disconnected.
      Very strange indeed i agree, beats the hell out of me, i do have them all reconnected now though.

      This all just leaves me wondering if sky have maybe capped me?

      As i see it there is not a lot else i can do my end, or is there?

      I am at a total loss.

    5. #24
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      Re: Slow or about right?

      It would be unusual if a Sky fitter installed a proper hardwired socket, they usually stick in a cheap trailing extension with a splitter on it. Brian might confirm this, but I don't think a slave extension should have a capacitor in it.

      As to what you can do, fitting an ADSL faceplate would be your best bet. This will completely isolate the rest of the house from the ADSL connection. With this, you do not need separate filters as this is done at the source.

      TomD


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


      Useful Utilites

      http://www.nirsoft.net/utils/wifi_information_view.html/ TCPOptimiser /Test Socket

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





    6. #25
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      Re: Slow or about right?

      Quote Originally Posted by Isitme View Post

      As to what you can do, fitting an ADSL faceplate would be your best bet. This will completely isolate the rest of the house from the ADSL connection. With this, you do not need separate filters as this is done at the source.
      Would this be to the Sky TV or BB or maybe both please.

      Do you think this could be affecting my speeds.

    7. #26
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      Re: Slow or about right?

      Quote Originally Posted by philip41 View Post
      engineers test socket
      ADSL Link Downstream Upstream
      Connection Speed 4608 kbps 768 kbps
      Line Attenuation 25 db 7 db
      Noise Margin 21 db 9 db

      Master socket
      ADSL Link Downstream Upstream
      Connection Speed 4608 kbps 768 kbps
      Line Attenuation 27 db 7 db
      Noise Margin 9 db 10 db

      extension
      ADSL Link Downstream Upstream
      Connection Speed 4608 kbps 768 kbps
      Line Attenuation 27 db 7 db
      Noise Margin 8 db 10 db
      I just read through this whole post and it does look to me like you were heavily capped shortly after installation, probably due to errors caused by a missing filter and/or faulty wiring. The massive difference in noise margin between the test socket and master gives it away.

      Your stats today show a healthier noise margin but you don't say where you were connected when these were taken. I think you are on G.DMT by the way.

      Your line should support 16Mbps if you can get rid of the noise and I would start by losing that "other" master socket. Could it have been your VM master socket which BT wired into your BT line?

      Once you can achieve a high noise margin with the extensions connected you can phone Sky and ask for the cap to be removed and go on to ADSL2+.

    8. #27
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      Re: Slow or about right?

      Quote Originally Posted by eyemdee View Post
      I just read through this whole post and it does look to me like you were heavily capped shortly after installation, probably due to errors caused by a missing filter and/or faulty wiring. The massive difference in noise margin between the test socket and master gives it away.


      Your stats today show a healthier noise margin but you don't say where you were connected when these were taken. I think you are on G.DMT by the way.
      The noise margin for today as it is right now Downstream18db upstream 10db, are these classed as good or bad? i take it the higher the better?

      Your line should support 16Mbps if you can get rid of the noise and I would start by losing that "other" master socket. Could it have been your VM master socket which BT wired into your BT line?
      I believe it could be, the fact it was the same at the test socket could well be due to being capped maybe?

      Once you can achieve a high noise margin with the extensions connected you can phone Sky and ask for the cap to be removed and go on to ADSL2+.
      Todays readings have all been taken using an extension socket at the opposite end of the house.

      I am considering getting new boxes and cable and bypassing all the old VM gubbins.

    9. #28
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      Re: Slow or about right?

      Quote Originally Posted by philip41 View Post
      The noise margin for today as it is right now Downstream18db upstream 10db, are these classed as good or bad? i take it the higher the better?
      Yes, correct. 18db downstream is very healthy and if it remained there I am sure Sky would remove the cap and probably switch you to ADSL2+. I would still sort the cabling out first though. The VM incoming line may still be connected to that old master socket acting as an interference aerial!

      If you can get the noise margin at the extension almost as high as at the test socket then your cabling should be OK and your problem sorted.

    10. #29
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      Re: Slow or about right?

      Nice one, thanks for the advice and that goes to all in the thread.

      I shall hopefully get the bits i need together over the next day or so, do the re wire, then call Sky and ask them to remove capping.


      would one of these be a good buy
      Last edited by philip41; 25-02-08 at 11:24 PM.

    11. #30
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      Re: Slow or about right?

      Quote Originally Posted by philip41 View Post
      Either that or this one. I am not sure of the differences as I don't use one but I hear they are good!

     

     
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