Noise Margin 2db?
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Noise Margin 2db?
26-11-2009 11:28 PM
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help!
Re: Noise Margin 2db?
26-11-2009 11:30 PM
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Have you tried rebooting the router which can resolve any router problems and possibly get you on a different gateway which may give you better speeds.
Re: Noise Margin 2db?
26-11-2009 11:30 PM
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Re: Noise Margin 2db?
26-11-2009 11:32 PM
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Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: Noise Margin 2db?
26-11-2009 11:49 PM
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Yeah had interleaving turned off yesterday.. and on a Netgear DG834G
Re: Noise Margin 2db?
27-11-2009 12:07 AM
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Quote from: volta84 I've read not to reset my router?
A quick reboot isn't going to do any harm especially with your line being as short as it is. If you don't want to do this though then there should be an option within the router configuration console that allows you to disconnect/reconnect the PPP session.
Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵
Re: Noise Margin 2db?
27-11-2009 9:18 AM
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Quote from: Peter Do you have a netgear router - say a DG834 model? If so, it is very unreliable reporting SNR so I would not always believe what it says.
is this true of all versions of the DG834? i have a DG834G version 2 and have noticed a similar thing. SNR can vary by as much as 4db around the current average reading. this means if my target SNR is 6db and i do a resync during the day, i often see spikes down to 1db or even lower at night. usually the router holds the connection though. i think my current target SNR is 9db, and the lowest SNR reading i have seen at night is 2db, which doesnt seem to cause a problem. overall the SNR reading jumps up and down constantly around the average figure.
Re: Noise Margin 2db?
27-11-2009 11:07 AM
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I did a reboot around 1:30am like you said and its working fine again now, thanks.
One thing I want to know is, my Router normally all the time Syncs at 8128 kbps downstream and 832 kbps upstream, yet my Profile to PS is 6.5mbit?
Re: Noise Margin 2db?
01-12-2009 8:18 PM
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Quote from: Peter Do you have a netgear router - say a DG834 model? If so, it is very unreliable reporting SNR so I would not always believe what it says.
Peter, it's well known that Netgears give stupid figures when the margin drops to (or below) zero, but other than that I've not seen anything at suggests that the SNR they report is inaccurate. Could you elaborate please.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Noise Margin 2db?
01-12-2009 8:26 PM
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Quote from: LittleReggie
Quote from: Peter Do you have a netgear router - say a DG834 model? If so, it is very unreliable reporting SNR so I would not always believe what it says.
is this true of all versions of the DG834? i have a DG834G version 2 and have noticed a similar thing. SNR can vary by as much as 4db around the current average reading.
Noise margin is the difference between the level of the ADSL signal and the background noise on the line. Because the environment is full of electromagnetic signals this will vary constantly and is perfectly normal.
I am very fortunate to have an excellent connection - my profile has never, ever been anything other than 7150. My routerstats graph from today is attached. As you can see it varies significantly.
jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Noise Margin 2db?
01-12-2009 10:12 PM
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Re: Noise Margin 2db?
01-12-2009 10:17 PM
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To argue with someone who has renounced the use of reason is like administering medicine to the dead - Thomas Paine
Re: Noise Margin 2db?
01-12-2009 10:26 PM
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Zen FTTC 40/10 + Digital Voice FRITZ!Box 7530
BT technician (Retired)
Re: Noise Margin 2db?
01-12-2009 10:38 PM
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To argue with someone who has renounced the use of reason is like administering medicine to the dead - Thomas Paine
Re: Noise Margin 2db?
01-12-2009 10:54 PM
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