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Distinguished Sage
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Message 1 of 13

3db noise margin coming March 2017

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In the latests publication of the SIN498 document Openreach confirm that a trial that went on earlier this year will be rolled out nationwide in March allowing DLM to set a noise margin of 3, 4, 5 or 6db. This is expected to give most people (early trials showed 84% of lines got a increase) a speed boost except of course those already at the top of their product cap, be that 55 or 80meg.

 

The average expected speed increase will be roughly 10-17%.

 

No lines during the trial experienced a worse service.

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Distinguished Sage
Distinguished Sage
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Message 2 of 13

Re: 3db SNR coming March 2017

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I would be quite happy with 6dB! Smiley Wink

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Expert
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Message 3 of 13

Re: 3db noise margin coming March 2017

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Well that and G.Inp would be good.

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Moderator
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Message 4 of 13

Re: 3db noise margin coming March 2017

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Thanks for sharing that @Webby. Some really usefull info there.

 

Cheers

 

David

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Contributor
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Message 5 of 13

Re: 3db noise margin coming March 2017

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Hi, can anyone confirm if these plans for the lower target SNR on Infinity lines are still scheduled to happen this month?
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Distinguished Sage
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Message 6 of 13

Re: 3db noise margin coming March 2017

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I doubt anyone will confirm, however nothing to the contrary has been made public.
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Expert
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Message 7 of 13

Re: 3db noise margin coming March 2017

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Could the strange firmware update that appeared to go 'backwards' on the HH5 be connected?

https://community.bt.com/t5/Connected-Devices-Other/New-HH5B-update-version-number-lower-than-the-ol...

 

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Distinguished Sage
Distinguished Sage
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Message 8 of 13

Re: 3db noise margin coming March 2017

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Doubt it, a firmware change to the hub wouldn't be required to implement a 3dB margin.

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Expert
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Message 9 of 13

Re: 3db noise margin coming March 2017

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Just a coincidence then.

 

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Message 10 of 13

Re: 3db noise margin coming March 2017

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@Webby wrote:
I doubt anyone will confirm, however nothing to the contrary has been made public.

Just to confirm yesterday's separate thread on this.

My HH6 is still holding to the new 3db margin (downstream).

 

Now sitting at 2.9. A reduction in margin is usual for this time of day.

Will post on own thread, if it doesn't hold.

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