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    First day on Sky Max synching at 8096 768

    This is a discussion on First day on Sky Max synching at 8096 768 within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi I have just turned my router on and found that it is happily syncing at 8096kbps Code: WANPPPoA 2114 ...

    1. #1
      m0nkeh's Avatar
      m0nkeh is offline Sky User Member
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      First day on Sky Max synching at 8096 768

      Hi

      I have just turned my router on and found that it is happily syncing at 8096kbps
      Code:
      WANPPPoA  	2114  	2715  	0  	0  	64  	0:08:30
      LAN 	  	8196 	6440 	0 	92 	0 	0:10:00
      WLAN 	  	0         0 	0 	0 	0 	0:09:33
      
      ADSL Link 	    Downstream 	          Upstream
      Connection Speed 	8096 kbps 	768 kbps
      Line Attenuation 	40.0 db 	23.5 db
      Noise Margin 	        7.3 db 	        13.0 db
      This seems to indicate that i'm on ADSL rather than ADSL2 does this increase during the 10 day period? either way i'm happy as the most I could get with ADSL24(Enta) was 5mb

      I have the Sagem router


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    3. #2
      Smithy99's Avatar
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      re: First day on Sky Max synching at 8096 768

      That;s just about as much as you will get with those stats. I would stick with GDMT it will be more stable for you.

      You currently are in the DLM process and will be for around 2-3 weeks so you may see speeds increase/decrease whilst it looks for the best settings for your line.

    4. #3
      Ratcliffes's Avatar
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      re: First day on Sky Max synching at 8096 768

      @Smithy
      Why do you assume the OP is on G.DMT? Doesn't the full 768kbps upstream suggest ADSL2+? His profile says Sky Max. His attenuation at 40 dB is about right for an 8-10MB downstream on ADSL2+ wouldn't you say? The theoretical max on GDMT at 40dB attenuation is no more than 6.5 MB/s which corresponds with what he was getting from his old ISP I'd suggest.

    5. #4
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      re: First day on Sky Max synching at 8096 768

      I had always assumed that an upstream of 768 indicated ADSL rather than ADSL2+. I cant agree with you Ratclffes, with a good line 8 meg is possible with 40dB atten

    6. #5
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      re: First day on Sky Max synching at 8096 768

      Fair enough - You would know more than me Brian.. Was genuinely asking the question from a position of trying to gain an understanding. I have been using the explanation of GDMT vs ADSL2+ on Wikipedia here ITU G.992.1 - Wikipedia, the free encyclopedia

      The graph on this wikipedia entry suggests that 8mb/s is the low end of what is possible in ADSL2+ with 40 dB attenuation whereas the max available on GDMT at the same attenuation is considerably less than 8mb/s. File:ADSL Line Rate Attenuation.gif - Wikipedia, the free encyclopedia
      Where am I going wrong? Would love to understand this fully

      Thanks for any help you can give.
      Last edited by Ratcliffes; 10-02-09 at 08:23 PM.

    7. #6
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      re: First day on Sky Max synching at 8096 768

      gdmt in affect IS ADSL2
      -------------------------------------------



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      re: First day on Sky Max synching at 8096 768

      O.k mate, I did say "possible with a good line" and I think the wiki graph is as good as any, but you always get lines that dont perform as expected, we've all seen the "why cant I get 16meg as my atten is only 20dB" questions, well thats the way it is sometimes, works the other way too but nobody moans!

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      re: First day on Sky Max synching at 8096 768

      Quote Originally Posted by IAmNotTheEnemy View Post
      gdmt in affect IS ADSL2
      Well I am confused as this suggests not: ITU G.992.1 - Wikipedia, the free encyclopedia

      To be fair I think G.DMT is a bit of shorthand which is perhaps abused. We should really quote ITU G.992.1 for ADSL and ITU G.992.5 for ADSL2+ but who remembers the ITU codes for these things?

    10. #9
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      re: First day on Sky Max synching at 8096 768

      Quote Originally Posted by Brian69 View Post
      O.k mate, I did say "possible with a good line" and I think the wiki graph is as good as any, but you always get lines that dont perform as expected, we've all seen the "why cant I get 16meg as my atten is only 20dB" questions, well thats the way it is sometimes, works the other way too but nobody moans!
      @Brian,

      I certainly appreciate that in the real world, line speeds don't always comply with a graph of the theoretical performance. As you say, human nature compels us to complain when things don't work out more than to praise when they do.

      I think I may have already hijacked this perfectly sensible thread unintentionally - Signing off now!

    11. #10
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      re: First day on Sky Max synching at 8096 768

      The upstream speed of 768kbps, seems to suggest that DLM is not yet active on the line. From observing many stats posted on the forum this seems to indicate G.DMT. DLM always seem to push the figure up and ADSL2+ without DLM puts it down to 764kbps.
      I would not be surprised if the OPs speed/NM alter significantly over the bnext few days. That is if Sky are continuing with DLM on new lines, they may have given up in disgust.

      TomD


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