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    noise margin of 3db downstream?

    This is a discussion on noise margin of 3db downstream? within the Sky Broadband help forums, part of the Sky Broadband help and support category; I have recently connected to Sky Broadband Max, and rebooted the router first thing yesterday morning, connecting at 13300kbps. I ...

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      noise margin of 3db downstream?

      I have recently connected to Sky Broadband Max, and rebooted the router first thing yesterday morning, connecting at 13300kbps.

      I have just had a look at my router stats, and the noise margin figure for downstream is 3db - this is much lower than I've seen before.

      Is this a good thing or a bad thing?

      I haven't noticed a drop in speed.....


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      Re: noise margin of 3db downstream?


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      Re: noise margin of 3db downstream?

      ^^^ Yes, that should do it.
      Remember when you synced lower after disconnecting your router ?
      This was because you reconnected at a "noisy" time of the day.
      You then connected at a "quiet" time and your sync went up.
      Your nm has dropped to that figure because its was "noisy" at the time.
      If its not causing any disconnections then I wouldnt wory about it.


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      Re: noise margin of 3db downstream?

      Quote Originally Posted by dholdi View Post
      ^^^ Yes, that should do it.
      Remember when you synced lower after disconnecting your router ?
      This was because you reconnected at a "noisy" time of the day.
      You then connected at a "quiet" time and your sync went up.
      Your nm has dropped to that figure because its was "noisy" at the time.
      If its not causing any disconnections then I wouldnt wory about it.
      Thanks. I've had a telephone conversation with Brian69 tonight, and he's said the same thing.

      It's not causing any disconnections, nor is my browsing/downloading slow, so it's all good!

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      Re: noise margin of 3db downstream?

      On a decent line, and depending on the router, you could probably hold sync with a 3dB SNRM. It's nothing to worry about, and if the router can't hold sync, it'll resync slightly lower to achieve a higher margin.

     

     

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