Request To Set Downstream SNR Margin To 6db Please
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Request To Set Downstream SNR Margin To 6db Please
26-10-2016 12:05 PM - edited 26-10-2016 12:06 PM
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Hi,
My broadband has been running great after an Openreach engineer sorted a line problem back in May, by putting us on a new line. Been running very stable with a downstream SNR of 6db for the past five months. No real connection issues at all.
This afternoon getting some disconnects, but mainly disruption to some streaming services and net use. Checking router it seems the exchange seems to be trying to squeeze speed of my line to the limit, and has dropped SNR to 3db. I'm getting 12 or 13 mb/s downstream just fine with 6db SNR. The SNR dropping to 3 is making my connection unstable for only an extra 1 or 2mb/s. Current readings:
7 - Data rate: 1159/15022
8 - Maximum data rate: 1164/15420
9 - Noise margin: 5.8/3.4
10 - Line attenuation: 15.3/30.5
Can some please set my line so the downstream SNR margin doesn't drop below 6db. I've asked in past, but it doesn't appear to have been done, Thanks.
Re: Request To Set Downstream SNR Margin To 6db Please
26-10-2016 12:13 PM - edited 26-10-2016 12:15 PM
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Re: Request To Set Downstream SNR Margin To 6db Please
26-10-2016 12:17 PM
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Thanks, Mattew. With 6db, I'm solid as a rock. Why it tries to squeeze the pips out at 3db, I dunno?
Will I need to reboot router for 6db downstream SNR to take effect, or will change just take effect?
Re: Request To Set Downstream SNR Margin To 6db Please
26-10-2016 12:20 PM
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Already answered for me ... just got a forced reboot. And router now reports:
Noise margin: |
6.1/6. |
Hope it stays there now. Thanks.
Re: Request To Set Downstream SNR Margin To 6db Please
26-10-2016 12:21 PM
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Re: Request To Set Downstream SNR Margin To 6db Please
14-11-2016 11:07 AM
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Hi,
Can someone finally fix this issue PERMANENTLY for me. My downstream SNR keeps going down to 3db, even tho you're supposed to have set it at 6db. Just took 15 minutes to get back online after a connection drop. My downstream SNR is back at 3.1db.
I don't know if you need to get engineer to visit exchange to stop it keep trying 3db on the line, but whatever you do at your end doesn't work. The downstream SNR will go to 6db for a while after you set it, then the exchange goes back to trying 3db. I can run sometimes for longish periods of time at 3db. BUT at other times, it becomes unstable. At 6db, on the other hand, I've gone weeks without a disconnect. I prefer the stability of 6db.
Whatever it needs to make the 6db stick for downstream SNR margin, please do it!
Re: Request To Set Downstream SNR Margin To 6db Please
14-11-2016 11:53 AM
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Re: Request To Set Downstream SNR Margin To 6db Please
14-11-2016 12:08 PM
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Thanks, Matthew.
Connection just rebooted itself and router reporting 6db now up and down on SNR Margin. Upload speed is as high as it was before, download speed down about 2mb/s - which is perfectly acceptable to me for stability benefits.
Can I ask what method you're trying this time?
Thanks.
Re: Request To Set Downstream SNR Margin To 6db Please
14-11-2016 12:11 PM
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Re: Request To Set Downstream SNR Margin To 6db Please
14-11-2016 12:11 PM
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Sounds good. Thanks again.
Re: Request To Set Downstream SNR Margin To 6db Please
14-11-2016 12:24 PM
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