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    Poor connection after SVBN

    This is a discussion on Poor connection after SVBN within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hello, I was recently changed over the SVBN and my line has drastically changed in speed. I did receive the ...

    1. #1
      ricopico's Avatar
      ricopico is offline Sky User Member
      Exchange: Wolverton
      Broadband ISP: Sky Fibre Unlimited
      Router: TL-WR1043ND (Open-WRT)
      Sky TV: Sky+HD box
      Join Date
      Jan 2007
      Milton Keynes
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      Poor connection after SVBN


      I was recently changed over the SVBN and my line has drastically changed in speed. I did receive the letter informing me of the change, but thought nothing much of it - I certainly didnt realise I could opt out.

      My line pior to the change was:
      Connection Speed: 4832kbps : 800kpbs
      Line Attenuation: 56db : 31.5db
      Noise Margin: 2.4db : 11db

      Clearly this is a very much tweaked line, I requested the line be totally uncapped about a year or so ago, I informed them I would manage the line myself (and to my supprise they did it). Screen cap before SVBN:
      You will see the line is stable with a WAN uptime of >400hours.

      Anyway, 2 days ago, the line changed.
      Now my stats are:
      Connection Speed: 3072kbps : 800kpbs
      Line Attenuation: 57db : 31.5db
      Moise Margin: 11.8db : 11db

      Clearly a big change in the line, specifically the line attenuation has changed

      Now, I have not rebooted my router as im terified of the thought of the DLM screwing me further. I intend on calling sky at some point to attempt to get uncapped as before, but was wondering on how I can get back to half-LLU.

      Im of the understanding that house alarm's dont work with SVBM?
      If I were to say, tell sky im having a house alarm installed would they put me back on the old line? - Is there then a chance the that the old line could be worse? (different physical line from before?)

      Thanks in advance.


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    3. #2
      IWasNotTheEnemy's Avatar
      IWasNotTheEnemy is offline Sky User Member
      Exchange: SSRAD
      Broadband ISP: NOWTV Fab Fibre
      Router: NOWTV Hub 2
      Sky TV: NowTV
      Join Date
      Apr 2007
      Peasedown St. John, Bath
      Thanked 122 Times in 121 Posts

      Re: Poor connection after SVBN

      Once DLM has finished you'll be able to get it uncapped again. And moving you back is a ballache so Sky won't do it. The rise in attenuation is down to there being a bit more cable in use between the BT gear (when the line comes into the exchange) and the Sky gear (that your line is now running on)

      I take it you deliberately set your SNR low to get more speed out the line (at the risk of stability)?

      Useful Sticky: - How To Obtain Your Router Stats, BT Speed Test, Check For Test Socket



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