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G.Dmt or ADSL2+

This is a discussion on G.Dmt or ADSL2+ within the BSNL broadband forums, part of the Broadband Internet Service Providers category; guys i heard adsl2+ is twice faster and handles more badwidth ?? should i change ? my DSL router page ...

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Old 04-06-09, 11:37 PM   #1
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Question G.Dmt or ADSL2+
guys i heard adsl2+ is twice faster and handles more badwidth ??

should i change ?

my DSL router page statistics shows i am on g.dmt now..

my snr is very good .. according one thread here .. ( it was filled with values and how they match to performance )

so should i change to adsl2+ a better technolgy than adsl(g.dmt ) ?

if so how should i ?

there is so many options .. like G.lite ,T1.413, adsl2 , adsl2 + ,annexl


i didnt suffer any problem till now..

but still i cant get the max bandwidth from my connection ..

please help me guys
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Old 04-07-09, 12:36 AM   #2
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Thumbs up G.dmt vs ADSL2+
For stable ADSL link ,G.Dmt is the standard if your cable quality is poor
If you are within 5 Kms range from Exchange you can try ADSL2+ for better upload
-simon
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Old 04-07-09, 01:41 AM   #3
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thnks..

i am within 5 km form my exchange ..


can u help on which options to turn on and which ones to turn off to activate adsl2+?


thnks for the reply again...
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Old 04-07-09, 09:58 AM   #4
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please mention your modem model/make in your posts.

See ADSL data in your modem
example :
http://i22.tinypic.com/2wd905f.jpg
Copy paste info regarding ( full page not needed )
SNR/ATTN/Line Speed MOD selected.

For you GDMT connection is recommended.
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Old 04-07-09, 10:42 AM   #5
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UTstarcom wa3002g4


snr and other values
Attached Images
File Type: jpg snr 2.jpg (81.4 KB, 23 views)
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Old 04-07-09, 12:49 PM   #6
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You can select AUTO mode.
or
keep only adsl2+ adsl2 and bitswap enabled.
http://i29.tinypic.com/2nvciz5.png

I feel, changing to ADSL2+ will not show
improvment for you.
Very good SNR( 28.4 db) and AttN ( 13.0 db)figures ( D/L mode )
even though you are 5Kms
away from the Exchange.


Anyway try and give feedback.
Last edited by essbebe; 04-07-09 at 12:57 PM. Reason: wrong link deleted.
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Old 04-07-09, 12:53 PM   #7
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In my router all the things like g.Dmt, adsl,adsl2+ etc are selected....

any problem...? or its ok... i need essbebe's comment on this..

others comments are also welcomed...!
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Old 04-07-09, 01:01 PM   #8
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I had observed the mod mode is not
always same. If all are selected,
it can change, depending on ISP.
( now on Airtel) specially with BSNL.
Sometimes you don't get connection
if, say Gdmt is not selected!
will update later with Bsnl data one.
wait Changing.

Code:
12:08 PM 4/7/2009 beetel 110BX1
Mode:  	G.DMT  ( adsl2+ unchecked Dataone 59.96.xxx.xx)
 
  	Downstream 	Upstream
SNR Margin (dB): 	32.9  	24.0 
Attenuation (dB): 	16.0  	3.0 
Output Power (dBm): 	12.3  	15.1 
Attainable Rate (Kbps): 	8864  	992 
Rate (Kbps): 	2048  	512
Quote:
12:11 PM 4/7/2009 airtel 122.164.xx.xx
Mode: ADSL2 AnnexM EU-56 Beetel 110BX1 ( adsl2+ unchecked ))

Downstream Upstream
SNR Margin (dB): 30.3 15.0
Attenuation (dB): 7.5 29.2
Output Power (dBm): -20.9 6.0
Attainable Rate (Kbps): 11688 1967
Rate (Kbps): 2063 519
Last edited by essbebe; 04-07-09 at 01:19 PM.
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Old 04-07-09, 01:03 PM   #9
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hmmm i didnt know this .... good info mate
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Old 04-07-09, 02:10 PM   #10
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Quote:
Originally Posted by essbebe View Post
I had observed the mod mode is not
always same. If all are selected,
it can change, depending on ISP.
( now on Airtel) specially with BSNL.
Sometimes you don't get connection
if, say Gdmt is not selected!
will update later with Bsnl data one.
wait Changing.

Code:
12:08 PM 4/7/2009 beetel 110BX1
Mode:      G.DMT  ( adsl2+ unchecked Dataone 59.96.xxx.xx)
 
      Downstream     Upstream
SNR Margin (dB):     32.9      24.0 
Attenuation (dB):     16.0      3.0 
Output Power (dBm):     12.3      15.1 
Attainable Rate (Kbps):     8864      992 
Rate (Kbps):     2048      512




so how to change it bro ??

i have included the pic too..
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Old 04-07-09, 06:17 PM   #11
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posted earlier . see Post No 6.
Your setup is ok now.
http://i29.tinypic.com/2nvciz5.png
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Old 04-07-09, 08:14 PM   #12
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essbebe thnks for the reply..

just tell me since adsl2+ is a better tech than g.dmt , if adsl2+ is available , shouldnt i shift to adsl2+ ?


recently i get my connections dropped only on working on torrent .. i dont knwo why ..

it happened same in my chennai connection ..

i thought changing to adsl2+ would be better... correct me if i am wrong .. i just want to give it a try .. :-)
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Old 04-08-09, 01:14 AM   #13
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Default gdmt change to ADSL2+
Quote:
i just want to give it a try .
See the scrfeen shot given earlier.
Uncheck GDMT and check ADSL2+

Recheck SNR/Attn.
Line speed might go high
but actual speed as per your ISP's.

If no improvement revert
to GMT/Glite/T413 and Bitswap enabled.
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Old 04-08-09, 10:38 AM   #14
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I have the same modem and I am about 2-2.5 km from the exchange. My snr is even better 33/19. Still the modem used to reset often in ADSL2+(initially), so I disabled ADSL2+ but kept in ADSL2. But almost a month back I have switched back to ADSL2+ and there was no auto reset noticed so far.
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Old 04-08-09, 11:28 AM   #15
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Quote:
Originally Posted by essbebe View Post
See the scrfeen shot given earlier.
Uncheck GDMT and check ADSL2+

Recheck SNR/Attn.
Line speed might go high
but actual speed as per your ISP's.

If no improvement revert
to GMT/Glite/T413 and Bitswap enabled.



thnks a lot bro...

will try and post the snr`s ...

thnks again

i tried to change...
but didnt work..


i couldnt get adsl2 or adsl2+ to work.. when iselected them ... turning off other things.. there was no connection at all...

i dont know why..

essebebe can u help me ?

and not the connection id on T1.413 and snr value dont look good

and also why is my upstream snr value fixed to 6 ?
Last edited by naveen_reloaded; 04-08-09 at 11:28 AM. Reason: Automerged Doublepost
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Old 04-09-09, 11:31 AM   #16
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guys any help for me ?
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Old 04-09-09, 04:42 PM   #17
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you were supposed to postr SNR
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Old 04-11-09, 12:05 AM   #18
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Quote:
Originally Posted by superprash2003 View Post
you were supposed to postr SNR
i dont get you.. i cant enable adsl2+ ........
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Old 04-11-09, 12:46 AM   #19
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http://i29.tinypic.com/2nvciz5.png
given earlier in post no 6.
see in menu DSL.
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Old 04-11-09, 04:08 PM   #20
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your upstream SNR is 6 which is LOW.. do you have all telephones connected after splitter?
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