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    Sync Speed

    This is a discussion on Sync Speed within the Sky Broadband help forums, part of the Sky Broadband help and support category; When I first signed up with Sky Broadband back in March I synced at 19999kb however it seems to have ...

    1. #1
      johnbourne's Avatar
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      Sync Speed

      When I first signed up with Sky Broadband back in March I synced at 19999kb however it seems to have gone down recently even though nothing has changed even the stats are the same itís just the downstream sync speed thatís changed.

      I have tried changing filters etc. but does not make a difference I know sync speeds can vary but I wouldnít expect it to be as much as this.

      Connection Speed 18943 kbps 1146 kbps
      Line Attenuation 16.0 dB 9.2 dB
      Noise Margin 7.1 dB 8.7 dB

      Any ideas on what might be causing this?

      Thanks.


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    3. #2
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      Re: Sync Speed

      Still bloody fast! Although you say nothing's changed how are you set up now?
      -------------------------------------------



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

    4. #3
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      Re: Sync Speed

      Thanks for the reply.

      Micro filter plugged into the master socket and router connected to filter using the supplied grey DSL cable into the router.

      It was synced at 19674 yesterday but the noise margin had dropped down to 4.5db gradually over the last few months so thought I would reboot it to get the noise margin back up - wish I hadn't now! lol

      I did call Sky just to check the line and the guy was very helpful but couldn't see anything wrong.

      Yeah it is fast but when I was with O2 I synced at 21000+ so like to keep it as close to the 20mb I can as I know my line is capable. In fact I wish Sky just let you sync at whatever speed your line can provide rather than using profiles.

      I guess I am just being picky!

    5. #4
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      Re: Sync Speed

      o2 use a lower default SNR so it will sync faster than Sky. You could try the test socket with a new filter and see what happens. May just be natural degradation of the line though
      -------------------------------------------



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

    6. #5
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      Re: Sync Speed

      Reboot it early in the morning or late at night. Should be able to push it up to 19999 at some time. Once you get there don't ever reboot your router.. lol

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      When the winter comes back your line will contract and your sync will go back up. My summer sync is half a mbit slower than my winter one (although I am on a much longer line so there its more contraction and expansion)
      John
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      Quote Originally Posted by Exdee View Post
      Reboot it early in the morning or late at night. Should be able to push it up to 19999 at some time. Once you get there don't ever reboot your router.. lol
      Rebooting late at night will give you the slowest sync possible for your noise margin not the fastest.
      John
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      Re: Sync Speed

      My late nights are quite late. Just before dawn to be more specific. My noise margin is booming around this time so it's an ideal time to force a re-sync.

    11. #9
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      Re: Sync Speed

      How much variation do you get in your snr margin

      here's mine for example

      Upstream 1216000
      Downstream 18203769
      Elapsed Time 3 day 0 hr 51 min 8 sec
      SNR Margin(Upstream) 8.5 dB
      SNR Margin(Downstream) 13.55 dB
      Line Attenuation(Upstream) 6.0 dB
      Line Attenuation(Downstream) 18.5 dB

      mine goes from 13.10 to 13.95 during different times of the day

      check if you are getting large swings in snr

    12. #10
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      Re: Sync Speed

      I rebooted late last night when the noise margin had rose to 7.4dB and it synced slightly higher and again just after midnight when I noticed the noise margin has rose to 7.4dB again and it synced at 19405kb.

      The noise margin has now dropped to 6.4dB during the day so wont reboot the router any time soon!

      Do you think a filtered face plate would help at all? I havent really bothered as my line is so short and didnt think it would help much.

      Thanks.

     

     
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