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Standard User shaneosborne
(experienced) Thu 03-Feb-11 22:12:41
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Some advice please


[link to this post]
 
Evening guys 'n' gals,

I have read on these forums in the past that you can adjust the noise margin with a piece of software to gain extra speed/sync. Could somebody please advise on how I can do this or point me in the direction I can read up on?

I have the Sky D-Link Router and my Line Stats are below;


ADSL Link Downstream Upstream

Connection Speed 16378 kbps 958 kbps
Line Attenuation 21.5db 10.2db
Noise Margin 7.2db 7.5db

Many thanks in advance, if it's not worth doing based on the above information then please let me know. My Upload seems to be low to me or is the upload speed as good as I am likely to get based on my line stats?

Thanks again and I appreciate any help you can offer laugh
Standard User BatBoy
(legend) Thu 03-Feb-11 22:17:19
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Re: Some advice please


[re: shaneosborne] [link to this post]
 
Have you requested the Gaming profile?



______________________________________________________________________________attack_the_post_not_the_poster__________________
Standard User Kiggs
(fountain of knowledge) Thu 03-Feb-11 22:33:54
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Re: Some advice please


[re: shaneosborne] [link to this post]
 
Jump into the test socket or get a filtered faceplate.


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Standard User shaneosborne
(experienced) Thu 03-Feb-11 22:43:43
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Re: Some advice please


[re: BatBoy] [link to this post]
 
Yup. Gaming profile all activated...

What difference would a filtered faceplate do?

Can and is it worth changing the Noise Margin ?

Many thanks in advance....
Standard User LadFromWales85
(committed) Fri 04-Feb-11 01:29:55
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Re: Some advice please


[re: shaneosborne] [link to this post]
 
My line with 22dB (19dB ADSL1) attenuation synced at just under 17000 without tweaks, and will hit 19999 if I lower the margin using Mel's password finder app...search for it on Skyuser, you'll need it to get your DSL password to use a router to make this change more permanent.

My DG834v4 and DGN2000 sync at this speed but with a lower margin than the supplied D-Link, presumably due to the fact that the Sky router has a BCM6358 chipset whereas the Netgear's have the older BCM6348.

Expect to see more errored seconds and crc errors as you push the margin below 3dB, which Sky may or may not count and use against you later, and may or may not decrease throughput or cause packet loss. Very much line dependant.

My Broadband Speed Test
AAISP via 2x20CN, moving one to SKY Unlimited

Edited by LadFromWales85 (Fri 04-Feb-11 01:30:35)

Standard User shaneosborne
(experienced) Fri 04-Feb-11 09:49:42
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Re: Some advice please


[re: LadFromWales85] [link to this post]
 
Many thanks, I think I will leave as it is. It seems as if my upload is quite low, is it?
Standard User Finguz
(knowledge is power) Fri 04-Feb-11 12:07:34
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Re: Some advice please


[re: shaneosborne] [link to this post]
 
Not really much difference between yours and mine and you won't get much higher than that on Sky.

ADSL Link Downstream Upstream
Connection Speed 17695 kbps 1142 kbps
Line Attenuation 20.0db 11.6db
Noise Margin 6.9db 8.1db

Sky

Any ISP that thinks that selling my click traffic is acceptable is MisinPHORMed

Edited by Finguz (Fri 04-Feb-11 12:11:30)

Standard User BuckleZ
(fountain of knowledge) Fri 04-Feb-11 13:29:31
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Re: Some advice please


[re: Finguz] [link to this post]
 
I have a 25dB line and get almost 19meg sync with the default 7dB margain.

Sky Broadband
Unlimited
Standard User Finguz
(knowledge is power) Fri 04-Feb-11 13:59:53
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Re: Some advice please


[re: BuckleZ] [link to this post]
 
Ok ... ?

Sky

Any ISP that thinks that selling my click traffic is acceptable is MisinPHORMed
Standard User krazykizza
(fountain of knowledge) Fri 04-Feb-11 15:13:44
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Re: Some advice please


[re: shaneosborne] [link to this post]
 
It is a tad on the low side for that length of line, but not much can really be done about that and difference would be minimal. If you telnet through your router you can see the max speed attainable for your line.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
AOL > Virgin Media > Tiscali > Falconnet > UKFSN > Norfolk Internet
2mbps > Shapped 512k > 1mbps! > 6.5mbps > 4.5mbps > 6.5mbps
ADSL Joy. 31db att, 9db SNR, EntaFail.
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