ST516v6 SNR Margin Tweaking 101 :: DSL Hardware Discussion

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Chrysalis
(fountain of knowledge) Wed 05-Jul-06 17:49:48

Re: ST516v6 SNR Margin Tweaking 101

[re: JinxterX2] [link to this post]

my line is stable at night now but very sporadic in day.

http://bbs.adslguide.org.uk/showthreaded.php?Cat=&Board=btsupplier&Number=2549578

nildram adsl max
atten 50.5
line dist 1.66 straight
4400kbit to 6400kbit synch

JinxterX2
(experienced) Wed 05-Jul-06 23:06:06

Re: ST516v6 SNR Margin Tweaking 101

[re: Chrysalis] [link to this post]

Mine has gone bonkers and so has my Speedtouch 516v6, lol, it can't hold sync for more than a few minutes now, I get the feeling BCM6338 chipset doesn't work very well with a Ti DSLAM, hooked up the Westell Proline 6100 (Ti AR7) and it doesn't drop the line but SNR is all over the place.

Bit of a difference in power levels between the two routers as well:

ST516 DS: 19.5dBm US: 12.0dBm
6100: DS 16.9dBm US: 11.0dBm

Obviously the Proline can command the DSLAM to cutback power, pity that doesn't work on the Speedtouch.

Chrysalis
(fountain of knowledge) Thu 06-Jul-06 00:03:48

Re: ST516v6 SNR Margin Tweaking 101

[re: JinxterX2] [link to this post]

I think BT need to redefine their broadband to "sometimes on" as I am having huge problems now, my signal to noise ratio has took a nosedive.

whats new in the dmt latest 2 versions thanks?

I believe I am connecting to an alcatel dslam.

nildram adsl max
atten 50.5
line dist 1.66 straight
4400kbit to 6400kbit synch

JinxterX2
(experienced) Thu 06-Jul-06 16:42:31

Re: ST516v6 SNR Margin Tweaking 101

[re: Chrysalis] [link to this post]

Speedtouch 516v6 working fine today for some strange reason.

kalisana
(newbie) Sun 09-Jul-06 13:15:53

Re: ST516v6 SNR Margin Tweaking 101

[re: JinxterX2] [link to this post]

Just checked - interleaving has been turned on. I'm a gamer, so a little concerned; however it's only added 9ms to my ping (I now ping at 31ms to jolt.co.uk), so could be a lot worse.

I've had loads of stability issues recently & hope that this sorts it all out! I'll keep you all posted on how it goes.

JinxterX2
(experienced) Fri 14-Jul-06 15:33:45

Re: ST516v6 SNR Margin Tweaking 101

[re: kalisana] [link to this post]

New version of DMT Tool coming soon with support for the latest 6.1.4.6 UK firmware

JinxterX2
(experienced) Fri 21-Jul-06 21:42:58

Re: ST516v6 SNR Margin Tweaking 101

[re: JinxterX2] [link to this post]

DMT Tool v7.22 is out




added: tdslDbg_getData_Limiter workaround

added: Language selection (german/english)

http://dmt.mhilfe.de/

WannabeMKII
(member) Sat 22-Jul-06 11:46:10

Re: ST516v6 SNR Margin Tweaking 101

[re: JinxterX2] [link to this post]

In reply to:
SNR Margin in DSLAM: 15db

How do you find out what the target SNR Margin is at the DSLAM?

wolvesmad
(experienced) Sat 22-Jul-06 11:53:26

Re: ST516v6 SNR Margin Tweaking 101

[re: JinxterX2] [link to this post]

When do I try tweaking? During the 1st 10 days or after?

Thanks

------------------------------------------------
PIPEX

(Xtreme5)

Pipex GO! 2Mb(NDO Speed Test)/(Adsl Guide Speed Test)

Can'tWait4MaxDSL!!

Local Line Atten(dB):46 Local SNR Margin(dB):22
------------------------------------------------

Chrysalis
(knowledge is power) Sat 22-Jul-06 14:09:00

Re: ST516v6 SNR Margin Tweaking 101

[re: wolvesmad] [link to this post]

I dont suggest tweaking during the first 10 days.

nildram adsl max
atten 50.5
line dist 1.66 straight
4400kbit to 6400kbit synch

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