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Unstable ADSL Connection

This is a discussion on Unstable ADSL Connection within the BSNL broadband forums, part of the Broadband Internet Service Providers category; My broadband connection drops frequently. My house is a little far from the telephone exchange and there are too many ...

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Old 11-24-08, 10:03 PM   #1
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Default Unstable ADSL Connection
My broadband connection drops frequently. My house is a little far from the telephone exchange and there are too many joints in my telephone line. Even for about 300 meters there is coated iron wire. I've complained about it to BSNL but they are very reluctant to help me. My ADSL statistics show that I've attenuation of 67 db and highest SNR i can get is 6 db. My router is UTSTARCOM UT300R2U. Can I improve my signal level by going to a different modem? I've read somewhere that Netgear DG834(G) router provides good stability. If anyone has used any other routers and experinced good SNR ratio please let me know.
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Old 11-24-08, 10:21 PM   #2
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are you using a ADSL splitter??ensure that all telephones are connected after splitter.. your SNR is pretty low.. thats mostly the reaosn
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Old 11-25-08, 01:58 PM   #3
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Yes. I am using a splitter. The telephone is connected only after the splitter. Can anyone tell me if there is a router which can hang on to low SNR.
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Old 11-25-08, 08:17 PM   #4
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http://i19.tinypic.com/6kqygzt.jpg

Keep only GDMT T413 and Glite also Bitswap enabled.
Save Reboot.
Check SNR attenuation now.
Feedback.
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Old 11-25-08, 09:50 PM   #5
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Hello essbebe. Thank you very much. My attenuation came down from 67 db to 63.5 db. When connected SNR i get is 8.4 db which i've never seen with my connection earlier. It was a great help for me. Thanks buddy
Last edited by goodyet; 11-25-08 at 10:08 PM.
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Old 11-25-08, 11:38 PM   #6
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hey how to check snr and attenuation
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Old 11-25-08, 11:42 PM   #7
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ATTN is still high. Hope you don't get frequent disconnections.

@evilhitesh
In your modem/router look for menu statistics adsl
Mention your modem/model.
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Old 11-28-08, 08:28 AM   #8
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my modem is ZTE- (ZXDSL 831AII)
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Old 11-28-08, 09:17 PM   #9
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In my connection is
SNR (Downstream) 27.0 dB
SNR (Upstream) 11.5 dB
Line Attentuation(Downstream) 16.5 dB
Line Attentuation(Upstream) 6.5 dB
modem Nokia-Siemens C2110
Although link is stable (never blinking) but still connection getting disconnected when i try to download any file.First few min downloading is going well but within few min data transfer getting suddenly stop and it get disonnected.
This things is often happening when i try to connect through winXp default PPPoE dialer but when i use LanRoad software (which has provied BSNL) to connect my Broadband then connection is more stable.I do not know why this is happening.
Last edited by rupu1983; 11-29-08 at 01:38 AM.
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Old 11-28-08, 09:45 PM   #10
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try switching to ppoe mode in modem
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Old 12-05-08, 09:11 PM   #11
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I have tried all procedure i don't no why this is happening when ever I try to download any big file(specially rapidshare and megaupload) after a few min data transfer getting stop for few seconds and then line getting disconnect although ADSL link is stable
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Old 12-05-08, 10:31 PM   #12
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more information needed.line getting disconnected means only data transfer with rapidshare going down or the entire net connection.are you using default explorer downloader i.e.no download manager like flashget,IDM etc?
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Old 12-05-08, 11:36 PM   #13
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@rupu1983

Quote:
I have tried all procedure
If you had summarised them,
would have been helpful, and to avoid
duplicate suggestions.
Have you tried OPENDNS ?
Check In ADSL page in modem
mod selected. GDMT will
give a lower line speed and stable connection.
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Old 12-06-08, 01:10 AM   #14
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I can't find opendns option in adsl page my modem C2110 my OS-winxp sp3 browser firefox and using IDM as manager.Exactly when i try to download any huge file downloading is prefect at the beginning after few min(suppose 30% or 40% of file) data transfer getting stop both side sent or receive and then after a min line gets disconnect.its happening every time downloading getting stop at the middle of the progress
Attached Images
File Type: jpg adsl img1.JPG (95.3 KB, 13 views)
File Type: jpg adsl img2.JPG (91.4 KB, 10 views)
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Old 12-06-08, 01:21 AM   #15
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in overview tab check SNR & Attn values & post them here.
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Old 12-06-08, 01:55 AM   #16
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SNR and attn is quite ok may be upstream SNR is little low
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File Type: jpg SNR attn.JPG (89.6 KB, 13 views)
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Old 12-06-08, 08:13 AM   #17
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REFERENCE:C2110 (Type-A) ADSL MODEM MULTIUSER CONFIGURATION

INFO:
G.DMT = G.992.1 (official ITU name) = ADSL1
G.DMT.bis = G.992.3 = ADSL2
G.DMT.bisplus = G.992.5 = ADSL2+

SUGGESTION :
Change Mod to G.DMT for stable connection.

METHOD:
Open DNS 208.67.220.220. and 208.67.222.222
can be entered in computer.
Network/LAN/Properties/TCP/IP
properties ENTER IN
use the following DNS.

DNS settings in modem:
Please see/try in this page
http://tinyurl.com/5nxn9r
Last edited by essbebe; 12-06-08 at 08:32 AM.
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Old 04-29-09, 08:53 PM   #18
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Default Frequent disconnection
Hi, I am having Dataone 500 broadband connection and MT880 modem for last few years. My internet is getting disconnected frequently in past few days and I am not able to findout why.
I have an upstream SNR of 22.8dB and downstream SNR of 22dB. I can see that pppoe is frequently going to disconnected state every minute or so..
My phone line is working fine and doesnt have any problems. Can someone suggest what maybe the problem?
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Old 04-30-09, 12:29 PM   #19
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Start >run > cmd >ipconfig/all, please post the values.
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Old 04-30-09, 12:50 PM   #20
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Quote:
Dataone 500 broadband connection and MT880 modem for last few years
1.Time to check up the connectors for oxidisation.blackening/high resistence contacts.
Buy new RJ11 and Rj45 cables and replace, the BSNL junction box also ! Replacing the ADSl splitter may also help ( Not electrical but contact troubles ).
2.
You can uncheck the Mod mode adsl2+ if selected.
and try GDMT
Quote:
ADSL Settings
ADSL Configuration allows user to configure ADSL setting.
Name Value
ADSL Modulation ==>>>> select here.
EC/FDM Mode
BitSwap ===========>> select enabled.
3. REF:
New Page 1

Feedback please.
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