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Streamyx Streamyx SNR Margin, --Read here if you face disconnections--

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gochev.george
post Feb 12 2007, 07:34 PM

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QUOTE(unstoppable @ Nov 26 2005, 10:35 PM)
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Uauuu,you have Line attenuation 60dB,3 loss of signal(but is that second?).
You have problem,it can be from cable from DSLAM to Modem,PBX to DSLAM,
couple in phone distribution cabinet,or DSL spliter is gone,it dont separate the frequency for Voice range from DSL range.SNR margin is a statistic which can not help you to solve the problem. So Call on your ISP to test the line with loop tester.

Added on February 12, 2007, 7:54 pm
QUOTE(ScaRL @ Feb 11 2007, 06:15 PM)
erm well, streamyx tech guys and tm came over my house today.
i try to explain them about SNR margin and line anttenuation, they just don't seem to care about it or don't understand. 

they told me that, as long as you can connect and surf google / yahoo / streamyx website without blinking ( aka normal surf ) , then the line pass.

but anyhow, the promise to check cable tomorrow. see how it goes..
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smile.gif,so my advice is - Change your ISP, very bad support,so you paying for support with include monthly tax, then your support must test the line,if dont have aby problems,than yes,but in that case?
I'm from ADSL support of Bulgarian Telecommunication Company(btc.bg)
We doing the test first,than if problem is in customer,we explain to him what to do .

This post has been edited by gochev.george: Feb 12 2007, 07:54 PM
gochev.george
post Feb 23 2007, 04:50 PM

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QUOTE(HeHeHunter @ Feb 15 2007, 05:13 PM)
The TM Nut guy told me that they fixed my error...
Now!

Modem Status

Connection Status     Connected
Us Rate (Kbps)     128 <-- Why so low already? Upload cannot reach 20KB and I am seeding torrents! Used to get 512
Ds Rate (Kbps)     512 <-- Why so low already? Download speed cannot exceed 58KB at all! Used to get 1404
US Margin     24 <--Whoa! higher than last time... 11
DS Margin     17 <--Whoa! higher than last time 8
Trained Modulation     ADSL_G.dmt
LOS Errors     0
DS Line Attenuation     63 <-- Never changer before at all!!!
US Line Attenuation     31 <-- Same!!!!
Peak Cell Rate     301 cells per sec
CRC Rx Fast     6
CRC Tx Fast     1
CRC Rx Interleaved     0
CRC Tx Interleaved     0
Path Mode     Fast Path

Darn!!! Still facing disconnection problem... Did TM Nut really fix my problem?  vmad.gif
I still can get Ds Rate 1304 and Us Rate 512 yesterday!!! What they want from me hah?
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You're on long distance from DSLAM,that's the reason for your attenuation of 63dB
Max is 4500m,if more you have to switch of the phone device.
We tested before one ADSL ove Pots,Annex A on 8000m from DSLAM,he cant up more than 6dB SNR margin and attenuation on DSL line was 69dB,and when he open some url,DSL goes unhinge from DSLAM,couse the noise on DSL Output Power going to 28dB,it have to be for normal operate in interval-6dB to -3 max in case when you do not use Browsing or downloading(quiet mode).
Your ISP must set there nearly to you one more DSL Concentrator,example CISCO 6500,2 switch(BRAS) and some routers to backup the line,but that need a budget smile.gif


This post has been edited by gochev.george: Feb 23 2007, 04:57 PM
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