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Standard User RobertoS
(sensei) Sun 17-Feb-13 18:02:28
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Re: 58 dB attn <500k sync 6 dB SNRM


[re: yarwell] [link to this post]
 
I was thinking more in terms of a cable having been tugged hard - for example by a vacuum cleaner - thereby loosening the connection between the cable and its plug. Or damaged internally.

That can give background noise without affecting the attenuation. Probably a red herring, but you've eliminated the normal causes.

My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 54.3/15.4Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
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Standard User yarwell
(sensei) Sun 17-Feb-13 18:11:25
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Re: 58 dB attn <500k sync 6 dB SNRM


[re: b4dger] [link to this post]
 
I don't have the full stats - I was there doing something else and took an interest in why a download was taking forever. Mind as it didn't stay up for long and we replugged it the error counters etc wouldn't tell us much. Upstream sync was faster than downstream by a factor of at least 2.

The homehub in use was a replacement in an attempt to fix it, I'll go back with another router. The people concerned worked shifts so it's not simple to get in.

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics
Standard User yarwell
(sensei) Sun 17-Feb-13 18:40:17
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Re: 58 dB attn <500k sync 6 dB SNRM


[re: TechGuyUK] [link to this post]
 
will have a listen in. Another thought that just came to me is that if there's been a line repair it may have a split pair - this ties in with previous observation on another line where speed went from >4M to <1M and it was due to "something" between the cab and the house - switching to the second pair fixed it as helpfully the house had two lines in service.

So SFI maybe the only answer.

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

MaxDSL diagnostics


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Standard User Zarjaz
(knowledge is power) Sun 17-Feb-13 19:59:40
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Re: 58 dB attn <500k sync 6 dB SNRM


[re: yarwell] [link to this post]
 
I'd suggest it was capped, but would have thought the SNR would be higher.

Standard User MHC
(sensei) Sun 17-Feb-13 20:48:29
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Re: 58 dB attn <500k sync 6 dB SNRM


[re: yarwell] [link to this post]
 
Try it will ALL power turned off running the modem from a battery and use a laptop.

Have drive back down the line route - or where you thing, look for potential noise sources.


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M H C


taurus excreta cerebrum vincit
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