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[renluop]

If one's router is set to, say Gdmt 992.3 annex A and should be on Gdmt 992.5. Can it be 'forced' to the required one?

I seem to recall that there might be something like that for Speedtouchs

[Weaver]

Some models certainly can be 'forced'.

The Netgear DG834 for example has a mode = auto / ADSL1  / ADSL2 option.

[CurlyWhirly]

If one's router is set to, say Gdmt 992.3 annex A and should be on Gdmt 992.5. Can it be 'forced' to the required one?

I seem to recall that there might be something like that for Speedtouchs

I use the DMT tool on my Netgear DG834GT and this allows me to choose ADSL, ADSL2 or ADSL2+ mode with a resync.






http://www.kitz.co.uk/routers/DMTv7.htm

Version 7 of the DMT tool works for the following routers:
Speedtouch 510v6, 516, 536, 546, 576, 585, 608, 706, 716, 780

[renluop]

Does it work with ST585v7? Vague idea from somewhere that is wont.

[HPsauce]

It's a negotiation so if the exchange end doesn't think the "forced" setting will work it won't connect.
Basically I think you can force down but not up. So forcing .3 to .5 is unlikely to work.

[kitz]

>> Basically I think you can force down but not up.

Correct

[renluop]

Thanks,

OT
I cannot recall seeing a 992.4 mentioned anywhere. Was there one?

[HPsauce]

Sort of: http://en.wikipedia.org/wiki/ITU_G.992.3/4

[orainsear]

Does it work with ST585v7? Vague idea from somewhere that is wont.

I tried it with a 585v7 several months ago and can confirm that it does work.

A decent guide for the CLI commands can be seen @ http://community.plus.net/library/hardware/forcing-adsl-modulation-on-thomson-585v7/

[renluop]

Thanks

[jeffbb]

Hi
see the overrider : Please note that if you are some distance from your exchange in most cases forcing  adsl2+ (g.992.5) will not work as the dynamic line management (DLM) will over ride your setting.

Regards Jeff

[CurlyWhirly]

Hi
see the overrider : Please note that if you are some distance from your exchange in most cases forcing  adsl2+ (g.992.5) will not work as the dynamic line management (DLM) will over ride your setting.

I run ADSL2+ okay on my longish line (of 55 dB attenuation) but I find it less stable than ADSL2 and I prefer to run ADSL2 mode on my line.

[renluop]

@CurlyWhirly

Out of nosiness What differences between the two modulations in sync and actual throughput do you see?

[CurlyWhirly]

@CurlyWhirly

Out of nosiness What differences between the two modulations in sync and actual throughput do you see?

Not much difference in sync and actual throughput but in ADSL2+ mode the line seems to get a lower SNR margin compared to ADSL2 despite similar sync rates.

[renluop]

and with higher attenuation is my observation.

As the general view is that attenuation related to speed, is to this a puzzle. I'm guessing that the ADSL2+ speed estimators include the factors in the calculation?

BTW I don't think my record with sweepstakes is above the lowest decile.