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    Speed drop from 12885 to 8900

    This is a discussion on Speed drop from 12885 to 8900 within the Sky Broadband help forums, part of the Sky Broadband help and support category; My speed has dropped from syncing at just under 13Mb to just under 9Mb yet my noise margin and attenuation ...

    1. #1
      jqworle's Avatar
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      Speed drop from 12885 to 8900

      My speed has dropped from syncing at just under 13Mb to just under 9Mb yet my noise margin and attenuation remain as they were before.i have tried the master socket and it makes no difference, Any ideas why the sudden drop
      these are my latest stats after a reboot.

      Port Status TxPkts RxPkts Collisions Tx B/s Rx B/s Up Time
      WAN PPPoA 41 29 0 84 72 00:00:45
      LAN 100M/Full 219 282 0 448 334 00:01:53
      WLAN 11M/54M 80 49 0 148 56 00:01:40
      ADSL Link Downstream Upstream
      Connection Speed 8928 kbps 800 kbps
      Line Attenuation 31 db 17 db
      Noise Margin 7 db 13 db

      My connection was solid for years till now, the only thing i can think of is BT have just installed a new fibre cabinet by the old wired cabinet just up the road and in laying the fibre they have disturbed the old wiring.
      Any Ideas


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    3. #2
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      Re: Speed drop from 12885 to 8900

      When you say you have tried the master socket, have you unscrewed the faceplate off the master socket and tried the test socket?

      How to test your ADSL in the Master Socket

      Are the stats identical, in terms of snr and sync speeds, whilst in the test socket?

    4. #3
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      Re: Speed drop from 12885 to 8900

      Yes i have and yes they are.:-)

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      Re: Speed drop from 12885 to 8900

      Do you have a spare router and filter that you could swap over and re-take the stats with?

      It could be down to a fault in your equipment, or as you mentioned openreach have made a boo-boo. Either way, calling up sky can confirm whether anything can be done. If line tests bring up any issues, then it should be an easy enough fix.

    6. #5
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      Re: Speed drop from 12885 to 8900

      Look like you're on adsl (gdmt) as opposed to adsl2+

      Might be worth calling Sky and double check
      -------------------------------------------



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

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      Re: Speed drop from 12885 to 8900

      Quote Originally Posted by IWasNotTheEnemy View Post
      Look like you're on adsl (gdmt) as opposed to adsl2+

      Might be worth calling Sky and double check
      One flaw with that is that G.DMT has a max sync speed of 8mbps and the OP is syncing at nearer 9mbps.

      Pace SKY HD With Seagate Pipeline HD 2TB

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      Re: Speed drop from 12885 to 8900

      His upstream looks like the line is on g.dmt. If configured to 800, it would be sitting at 798 (or thereabouts) on adsl2plus. Though, I've never tried configuring anyone higher than 8192 on g.dmt, so I'm not sure myself if it's possible on sky's dslams? IWNTE could give a better answer on that one.

    9. #8
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      Re: Speed drop from 12885 to 8900

      Can be done, gdmt technically takes 10Mbps at a push, have seen 9Mbps when I still worked for Sky CST
      -------------------------------------------



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

    10. #9
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      Re: Speed drop from 12885 to 8900

      G.DMT is actually capable of running up to 12Mb. Sky have always capped it at 8 or thereabouts, but mistakes can be made.
      ITU G.992.1 - Wikipedia, the free encyclopedia

      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.





    11. #10
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      Re: Speed drop from 12885 to 8900

      There we go then!
      -------------------------------------------



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

     

     
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