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    Gradual Decline in Speed.

    This is a discussion on Gradual Decline in Speed. within the Sky Broadband help forums, part of the Sky Broadband help and support category; Hi guys, I've been on Sky Max for a few years now. When the line was first activated we got ...

    1. #1
      Psy-Blade's Avatar
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      Gradual Decline in Speed.

      Hi guys,

      I've been on Sky Max for a few years now. When the line was first activated we got a solid 12mbit connection for around a year.

      Since then though the speed and line stability rolled down hill until they switched us over to G.DMT just to keep the line alive. I've noticed my stats have improved a little since then and I am wondering if I should switch back to ADSL2? Also what could cause a stable 12mbit line turn into a 6mbit line?

      Here are some stats, and any advice will be appreciated.

      --- DSL Information ---
      DSL Driver Version: AnnexA version - A2pB022g.d20e
      DSL VPI/VCI: 0/38
      DSL Status: ShowtimeRetrain Reason: 0
      DSL Mode: G.DMT
      DSL Channel: INTR
      DSL Upstream Rate: 768 Kbps
      DSL Downstream Rate: 6592 Kbps

      Down up
      DSL Noise Margin: 10.1 dB 14.0 dB
      DSL Attenuation: 36.0 dB 20.5 dB
      DSL Transmit Power: 19.4 dBm 7.9 dBm

      Thanks.


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    3. #2
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      Re: Gradual Decline in Speed.

      Do you have a NTE5? If so take the stats from the test socket (if the above are not) that way you can see if internal wiring is causing the problem.

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      Re: Gradual Decline in Speed.

      Those results were taken from the NTE5 with a NTE2000 faceplate attached. Is that OK or should I test it with the NTE2000 removed?

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      Re: Gradual Decline in Speed.

      you should get the same results but i'd test it with it removed and straight into the test socket to be sure

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      Re: Gradual Decline in Speed.

      Pretty much the same results, snr went up by 0.3.

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      Re: Gradual Decline in Speed.

      any noticable pops/crackles when doing a BT quiet line test by dialling 17070 or just pressing a single digit and listening?

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      Re: Gradual Decline in Speed.

      No noise whatsoever.

      Just noticed this:

      DSL Noise Margin: 11.6 dB 13.0 dB

      It went up again...

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      Re: Gradual Decline in Speed.

      the noise margin will fluctuate a little throughout the day so nothing to worry about there. Although with your line attenuation of 36.0dB i think you should expect speeds around 12-13Mb like you originally had....You do have a little bit of play in your noise margin to go up a Mb or 2, but certainly not enough to be pushed up to the speed you had before.
      I guess this should point to noise on your line but with a NTE2000 fitted and test socket results the same then it would have to be external. If you cant hear any problem with your phone then im not sure where you go from here.
      Hopefully one of the more technical forum members can add some input to try help you out

     

     

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