Options where speed is well below the estimate
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- Options where speed is well below the estimate
Options where speed is well below the estimate
Options where speed is well below the estimate
17-07-2015 11:13 AM
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Now that information came from the BT check as shown in the attached image
When the line was first connected the BT Engineer stated that I was in sync at about 48Mb/s
After several problems - now sorted - the sync speed was just over 40Mb/s with interleaving which will probably have reduced the speed and may correct itself but I will still get nowhere near the estimated range.
When I asked the engineer - the one who came out because of the fault - he said that their estimate was nothing like 50Mb/s and that was a Plusnet estimate (I didn't bother arguing)
Now from the distance to the cab and using the TBB chart http://www.thinkbroadband.com/guide/fibre-broadband.html I am actually doing rather better given a line length of about 800 metres
Note that according to the Billion 8800NL the attainable rate is 52.8Mb/s
It appears that there is no chance that BT will accept a fault so how long should I leave it to see if the DLM will remove the interleaving and the effect of it before ringing to ask to be moved from 80/20 to 40/2 product
Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 1:14 PM
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I think a lot will depend on the current error rates on your line.
Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 2:12 PM
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so your low end estimate is 50. plusnet were right, problem is these engineers tend to talk out their backside as an excuse to get out of the door, I had one tell me my estimate is for those next to the cab

the good news is we know your line will get faster if going back to fast path (or g.inp).
The question is will it move back? the answer lies in how many errored seconds you getting per day. You need this to be under 144 a day. If it stays under that then hopefully within 2 weeks it will change you back to a full profile.
Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 2:27 PM
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At present about 70 per day although I have 274 on the upstream
Note I download 55GB yesterday so that may have affected things
Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 2:41 PM
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what you download doesnt matter either.
you can confirm upstream is on fastpath?
Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 5:10 PM
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I would have though downloading a heck of a lot rather than just ticking over would have created the opportunity for more error seconds because of the higher number of uncorrectable RS errors
Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 6:01 PM
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Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 7:05 PM
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Re: Options where speed is well below the estimate
Re: Options where speed is well below the estimate
17-07-2015 8:52 PM
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The pattern of bits (header etc.) can be corrupted even with no data.
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