This is a discussion on how to increase SNR within the BSNL broadband forums, part of the Broadband Internet Service Providers category; i am getting the following values.. is this ok.. how to increase it.....
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| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | i am getting the following values.. is this ok.. how to increase it.. |
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| | #2 |
| Junior Member | the snr u r getting is fine and u cannot change it a it from ur isp. |
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| | #3 | |
| Bronze Member Join Date: Sep 2008 Location: Bangalore
Posts: 230
Rep Power: 2 | Quote:
if u r having slow speeds ,then do u hear any noises or disturbance on your telephone while using internet ? then contact bsnl customer care and make them check your line | |
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| | #4 |
| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | Broadband speed is low during night(2am-8am) |
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| | #5 |
| Bronze Member Join Date: Sep 2008 Location: Bangalore
Posts: 230
Rep Power: 2 | same thing here dude ,during daytime i get stable 2mb speed,but during 2am to 8m the speed decrease ,exactly at 2:10 am , i am also from bangalore,jeevan bhima nagar complaint to bsnl customer care 1800-424-1600,make sure the operator registers your complaint and the docket no , if nothing happens ,you can use the docket no for future reference if still the problem continues ,then contact the area manager or divisional manager,in ur bsnl exchange |
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| | #6 |
| Junior Member Join Date: Aug 2008 Age: 23
Posts: 21
Rep Power: 2 | I had done that too.. a month or so back.. I logged a complaint saying that the speeds are too slow.. The person in charge of Broadband came and checked the line.. They later told that the cable has been changed. My SNR/Attenuation for Downstream was, 35/32.5.. It shot up to 60/32.5 and i saw immediate effect.. But again.. from past two weeks.. Im facing Low speeds.. And now when i check it... SNR/Attenuation is back to 35/32.5 Can the BSNL folks really control the speeds from the exchange???.. More importantly can WE do something about it other than log a complaint each time??? They can easily come in the mornings and check to say that speeds are fine and get away with it!!!... |
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| | #7 |
| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | if i change my adsl configuration to ADSL2+. I am getting low snr value(7.5) if its ADSL ONLY then snr is 10. which mode is better |
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| | #9 | |
| Bronze Member Join Date: Sep 2008 Location: Bangalore
Posts: 230
Rep Power: 2 | Quote:
put it to adsl+2 only,that's the default mode speed of your connection is determine by the line quality and the servers of bsnl dont just keep on changing settings on modem, i complained to customer care once againr egarding low speeds after 2am,he said he will call me back after checking the connection | |
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| | #10 |
| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | there was noise in my land line phone.i complained it. the bsnl guy came n checked it.now he has replaced the wire.now there is no noise....But when i am using the net..when modem is on..there is lot of noise in phone. now my snr values is this..WHATS THE MAXIMUM SNR VALUE BSNL PROVIDES. |
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| | #11 | |
| Platinum Member | Quote:
There is no max value of SNR. You should have an SNR margin value from 20 db to 35 db on an average. SNR Margin value also depends upon the distance of your home from the exchange - the greater the distance the lower is the SNR Margin.
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| | #12 |
| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | i have used the splitter ..where i connect to modem.. i use 2 phones .for the first one i have used splitter where i connect both modem n first phone. for the second phone splitter is not used.. SHOULD I USE SPLIITER FOR BOTH THE PHONES?? |
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| | #13 | |
| Platinum Member | Quote:
1. Outside line --> splitter 2. Splitter's voice output --> all telephones including parallel lines 3. Splitter's data output --> modem --> PCs Imp: No parallel lines running to telephones before splitter. See attached diagram. If this is how your home network is connected and you still have noise issues, then splitter may not be working. | |
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| | #14 |
| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | thanks very much.but...... i have connected similarly as shown..but only in my room where my pc is.. but the other phone is connected to phone point directly in the hall. so should i remove the connection which is in hall?? |
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| | #15 |
| Platinum Member Join Date: Aug 2008 Location: Kerala
Posts: 2,824
Rep Power: 6 | ![]() If you have it connected like this, then it's fine. It will not cause any problems for internet (Broadband) even if you connect parallel phones connected after the splitter. Last edited by Archer; 11-06-08 at 02:32 PM. |
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| | #16 |
| Junior Member Join Date: Oct 2008 Location: bangalore Age: 21
Posts: 49
Rep Power: 2 | thanks a lot ..for giving visual help |
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| | #17 | |
| Junior Member | The rates were taken from a post by Oblivian on overclockers.co.nz. So obviously, credit goes to him Quote:
Edit: There is a similar article by just4kix on this forum but i'm not allowed to link to it.... Hope this helps.... Last edited by NoisySilence; 02-20-09 at 04:36 AM. | |
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| | #19 | |
| Junior Member | Well, it doesn't necessarily have to be like this...here is an alternate if you already have pre-existing parallel lines in your house and you don't want to pull an external wire, to your room, from outside.... Config: I've a telephone line that comes directly to a junction box on ground floor in my house. From there a total of 6 parallel lines are divided accross 3 floors(incl. ground floor)....and i've attached my modem in one of those rooms, on 2nd floor, w/o splitter. And here are my values..... Downstream Upstream SNR Margin (dB): 22.1 25.5 Attenuation (dB): 29.5 10.8 Speed averages around 1.7 Mbps day time...while at night it can reach upto 2.5 Mbps(average) and one of my friend is lucky enuf to get speeds upto 4 Mbps at night. FYI, we both have Home 500 plans... Now, since I have parallel lines all accross the house and a fax on ground floor, using a splitter at modem end would be useless as a splitter is a typical 3.5KHz low pass filter that blocks out signals above 3.5 KHz(ADSL systems use typically frequencies between 25 kHz and around 1.1 MHz.) leaving your telephone line noise free at telephone end. So, I'm using splitters at the telephone and fax end to filter out the noise generated by the ADSL signals over the line...Try googling "ADSL filters explained epanorama.net" for a detailed description on splitter.. This is what wikipedia tells... Quote:
Hope this helps.... | |
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