Changed filter, IP profile increased, speed yet to?
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Changed filter, IP profile increased, speed yet to?
01-01-2009 6:51 PM
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Statistics Downstream Upstream
Line Rate 5024 Kbps 448 Kbps
Attainable Line Rate 5568 Kbps 1132 Kbps
Noise Margin 15.2 dB 22.0 dB
Line Attenuation 26.0 dB 21.0 dB
Output Power 12.4 dBm 19.8 dBm
The BT speedtester and Plusnet show my profile as 4000, better than anything achieved previously, yet any speed checkers I try show show my DL speed as aprox 2300, If I am being impatient please excuse me ( I know it can take up to 72 hours) it is only because I cannot grasp why if PN and BT show the same profile 4000, why speed has not improved.
Thanks and a happy New Year to you all, Alan
Re: Changed filter, IP profile increased, speed yet to?
01-01-2009 7:00 PM
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However your SNRM is still around 15 whereas the normal default is 6. That will reduce your speed a lot.
If the problems have now really been fixed that should adjust over time (days at least) and speed should increase.
If it doesn't you either still have a problem, such as faulty wiring, or a "stuck profile".
(The low output power suggests you may still have local wiring issues.)
Re: Changed filter, IP profile increased, speed yet to?
01-01-2009 7:09 PM
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Assuming at that level everything is still OK you could ask for a further reduction to 6dB.
However my recent experience was that within a few days of Plusnet getting my margin reduced from 15dB to 9dB the BT automated systems dropped it to 6dB which, on my line would have been totally unstable. Fortunately my router can tweak the default noise margin so I put is back to 9db.
To get an idea as to how your line performs watch the noise margin over the evening and see how much it reduces. If it drops by more than 3dB then you will have much less room for manoeuvre.
Re: Changed filter, IP profile increased, speed yet to?
01-01-2009 7:34 PM
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Quote from: HPsauce (The low output power suggests you may still have local wiring issues.)
Ignore that comment, it looks like you have one of those routers that reports up/down power the wrong way round.
What make/model is it?
Re: Changed filter, IP profile increased, speed yet to?
01-01-2009 8:53 PM
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Alan
Re: Changed filter, IP profile increased, speed yet to?
01-01-2009 9:00 PM
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Your DSL connection rate: 5024 kbps(DOWN-STREAM), 448 kbps(UP-STREAM)
IP profile for your line is - 4000 kbps
Actual IP throughput achieved during the test was - 2214 kbps
Should I restart my router or just be patient ?
Alan
Re: Changed filter, IP profile increased, speed yet to?
01-01-2009 10:46 PM
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What has not been said is that if you speed 'throughput' test at busy periods the speed is very likely to be lower than at off-peak times. This may be due to congestion at your local exchange rather than /as well as PN. You also look as if you have a very noisey line (it could be faulty) as you should be syncing at higher speeds. Also your line will be noisier after dark, it may be worse at this time of year due to flashing xmas lights etc. Try a re-sync in daylight hours (around mid-dayish) and post your router stats. Then, without re-booting, monitor and post your stats at various times over the next few days.
Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 1:56 PM
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Test1 comprises of Best Effort Test: -provides background information.
Your DSL connection rate: 5312 kbps(DOWN-STREAM), 448 kbps(UP-STREAM)
IP profile for your line is - 4000 kbps
Actual IP throughput achieved during the test was - 3517 kbps
Statistics Downstream Upstream
Line Rate 5312 Kbps 448 Kbps
Attainable Line Rate 5920 Kbps 1140 Kbps
Noise Margin 15.4 dB 22.0 dB
Line Attenuation 26.0 dB 21.0 dB
Output Power 12.3 dBm 19.8 dBm
I have done a quiet line test and there is little discernable noise, but I do know I am a fair distance from the exchange. Anyway I have never had speeds above 3000 so any increase I do get is a bonus
Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 6:45 PM
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Statistics Downstream Upstream
Line Rate 5312 Kbps 448 Kbps
Attainable Line Rate 5920 Kbps 1140 Kbps
Noise Margin 14.5 dB 22.0 dB
Line Attenuation 26.0 dB 21.0 dB
Output Power 12.3 dBm 19.8 dBm
Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 7:01 PM
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Ideally you want to resync when it is at its highest (well over 15?). Then leave it alone.
At my location that's about 9am at this time of year, but for you it may be different.
Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 9:58 PM
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Statistics Downstream Upstream
Line Rate 5312 Kbps 448 Kbps
Attainable Line Rate 5920 Kbps 1140 Kbps
Noise Margin 14.6 dB 22.0 dB
Line Attenuation 26.0 dB 21.0 dB
Output Power 12.3 dBm 19.8 dBm
Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 10:04 PM
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Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 10:47 PM
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Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 10:56 PM
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Statistics Downstream Upstream
Line Rate 5312 448 Kbps
Attainable Line Rate 5920 Kbps 1140 Kbps
Noise Margin 14.5 dB 22.0 dB
Line Attenuation 26.0 dB 21.0 dB
Output Power 12.3 dBm 19.8 dBm
Re: Changed filter, IP profile increased, speed yet to?
02-01-2009 11:19 PM
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If, however, the response is that you need to raise a fault come back here as that is not required.
Hopefully with the problems I had recently getting my noise margin dropped they will know better
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