What could have happened to my upstream
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What could have happened to my upstream
21-03-2015 11:24 AM
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After months of a rock solid connection with the upstream at 888kbps noise margin about 10 - 10.5dB yesterday at about 17.00 the upstream noise margin dipped suddenly then recovered to about 8.5dB
This morning I found that at about 04.28 it had resynced with these stats
xDSL linestate up (ITU-T G.992.3; downstream: 3696 kbit/s, upstream: 672 kbit/s; output Power Down: 18.8 dBm, Up: 12.6 dBm; line Attenuation Down: 49.5 dB, Up: 26.4 dB; snr Margin Down: 6.2 dB, Up: 6.0 dB
So there was obviously something wrong with the upstream although the noise margin had increased to nearly 13dB when I switched the computer on
One manual resync later
xDSL linestate up (ITU-T G.992.3; downstream: 3927 kbit/s, upstream: 888 kbit/s; output Power Down: 19.3 dBm, Up: 12.6 dBm; line Attenuation Down: 49.5 dB, Up: 26.4 dB; snr Margin Down: 6.2 dB, Up: 8.3 dB
The upstream noise margin has subsequently increased to about 9.3dB after two incoming phone calls
This is the graph of upstream noise margin
Re: What could have happened to my upstream
21-03-2015 12:21 PM
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That sounds like (sorry for the pun) line noise, not unlike the long running Jem16 thread...
Kevin
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Re: What could have happened to my upstream
21-03-2015 1:20 PM
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Re: What could have happened to my upstream
21-03-2015 1:33 PM
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In another browser tab, login into the Plusnet user portal BEFORE clicking the fault & ticket links
Superusers are not staff, but they do have a direct line of communication into the business in order to raise issues, concerns and feedback from the community.
If this post helped, please click the Thumbs Up and if it fixed your issue, please click the This fixed my problem green button below.
Re: What could have happened to my upstream
21-03-2015 1:35 PM
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Re: What could have happened to my upstream
23-03-2015 8:40 AM
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-Probably because there are so many never ending faults - they are in the local cab probably once every two weeks, and that's just when I see them!
Re: What could have happened to my upstream
23-03-2015 9:52 AM
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I was having similar problems recently.
I was having problems with packet loss during peak times, submitted a ticket and I had interleaving turned on, which I requested be turned off again.
Wow what a weekend though, last night was something else. See my tbb graph 😮
Doing a quite line test sounded very static and my SNR on my upstream was something like 14.4.
Seems something happened early this morning to drop my ping back down, will let you know if my SNR and line noise is gone too.
Considering winning the lottery and just getting a leased line Sounds so easy, right ?
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