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Standard User sully1311
(newbie) Tue 02-Jul-13 20:05:41
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Broadband Constant Errors and Problems


[link to this post]
 
After getting back from Glastonbury yesterday, I checked out my router stats to see that I had over 200 LOS Defects in the space of 5 days, my Downstream NM had changed to 6db from 12b and my upstream from 6db to 30db. Now a day later I am having millions of corrections and errors in the space of minutes and it looks like my Downstream and Upstream speeds have been capped to 4539kbps and 440kbps whereas before I was receiving ~8000kbps and ~1200kbps respectively. Nothing has changed in the house for something to be interfering. The router is connected directly to the Test socket (Has been for months now) and I have changed filters to no avail.

INTERNET
Broadband Type: ADSL
Broadband State: Connected
Internet State: Connected
Time Connected: 00:07:01
Downstream Rate: 4539kbps
Upstream Rate: 440kbps
Status
Configured Current
Line Status --- SHOWTIME
Link Type --- Interleaved Path
Operation Mode G992.5(ADSL2+) G992.5(ADSL2+)
Data Rate Information
Stream Type Actual Data Rate
Upstream 440 (Kbps.)
Downstream 4539 (Kbps.)
Defect/Failure Indication
Operation Data Upstream Downstream
Noise Margin 30.3 dB 5.6 dB
Line Attenuation 21.7 dB 37.0 dB
Indicator Name Near End Indicator Far End Indicator
Output Power 12.6 dBm 0.0 dBm
Fast Path FEC Correction NA NA
Interleaved Path FEC Correction 1655651 221
Fast Path CRC Error NA NA
Interleaved Path CRC Error 2034 9
Loss of Signal Defect 1 0
Fast Path HEC Error STR NA NA
Interleaved Path HEC Error 23560 23
Error Seconds 172 2
Statistics
Received Cells 162023
Transmitted Cells 29276
Standard User yarwell
(sensei) Tue 02-Jul-13 23:53:33
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Re: Broadband Constant Errors and Problems


[re: sully1311] [link to this post]
 
how does the voice line sound to the ear ?

--

Phil

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

MaxDSL diagnostics
Standard User Lethe
(fountain of knowledge) Wed 03-Jul-13 01:07:44
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Re: Broadband Constant Errors and Problems


[re: sully1311] [link to this post]
 
Has your exchange changed to the new 21cn thing - i.e. is there a new green fibre cabinet around? That is what [censored] up my adsl and it doesn't get better.

Nick


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Standard User RobertoS
(sensei) Wed 03-Jul-13 01:13:45
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Re: Broadband Constant Errors and Problems


[re: Lethe] [link to this post]
 
New (FTTC) cabinets are nothing at all to do with 21CN. That was around long before FTTC.

Your UKFSN connection is 21CN. Or to be more precise, WBC which is one of BT Wholesale's 21CN broadband products.

My broadband basic info/help site - www.robertos.me.uk | Domains,website and mail hosting - Tsohost.
Connection - Plusnet UnLim Fibre (FTTC). Sync ~ 53.4/16.8Mbps @ 600m. - BQM

"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allergy information: This post was manufactured in an environment where nuts are present. It may include traces of understatement, litotes and humour.
Standard User sully1311
(newbie) Wed 03-Jul-13 12:27:13
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Re: Broadband Constant Errors and Problems


[re: RobertoS] [link to this post]
 
Quiet Line Test is fine. We've had the green cabinets for months now.
Standard User 4M2
(fountain of knowledge) Wed 03-Jul-13 13:53:18
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Re: Broadband Constant Errors and Problems


[re: sully1311] [link to this post]
 
Actually your previous ADSL2+ downstream stats of 37dB attenuation, 6dB SNRM and a ~8000Kbps sync suggest that your line was under performing.

Any chance of verifying your current stats with an alternative router, adsl lead and filter?
Standard User sully1311
(learned) Wed 03-Jul-13 15:17:28
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Re: Broadband Constant Errors and Problems


[re: 4M2] [link to this post]
 
In reply to a post by 4M2:
Actually your previous ADSL2+ downstream stats of 37dB attenuation, 6dB SNRM and a ~8000Kbps sync suggest that your line was under performing.

Any chance of verifying your current stats with an alternative router, adsl lead and filter?


I'll check later this evening. I was receiving 8000kbps at around 12db not 6. Before the speed basically halved at 6db NM it was roughly around 10Mbits/sec.
Standard User 4M2
(fountain of knowledge) Wed 03-Jul-13 16:02:55
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Re: Broadband Constant Errors and Problems


[re: sully1311] [link to this post]
 
Just to clarify: before your trip to Glastonbury the downstream sync (or throughput?) was ~10Mbps with a SNRM of 6dB, on your return you were getting ~8000Kbps with a SNRM of 12dB and a day later 4539Kbps with a SNRM of 5.6dB?

Is the ADSL connection holding at the moment or are you getting frequent resyncs?
Standard User sully1311
(learned) Wed 03-Jul-13 17:44:25
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Re: Broadband Constant Errors and Problems


[re: 4M2] [link to this post]
 
In reply to a post by 4M2:
Just to clarify: before your trip to Glastonbury the downstream sync (or throughput?) was ~10Mbps with a SNRM of 6dB, on your return you were getting ~8000Kbps with a SNRM of 12dB and a day later 4539Kbps with a SNRM of 5.6dB?

Is the ADSL connection holding at the moment or are you getting frequent resyncs?


Before trip: 12db SNRM ~8000Kbps
Ater trip: 6db SNRM ~10000Kbps
After trip +24hrs: 6db SNRM 4539Kbps (capped)

It's still continuing to lose signal, but hasn't in the last 2-3 hours.
Standard User 4M2
(fountain of knowledge) Wed 03-Jul-13 18:46:32
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Re: Broadband Constant Errors and Problems


[re: sully1311] [link to this post]
 
In reply to a post by sully1311:
Before trip: 12db SNRM ~8000Kbps
Ater trip: 6db SNRM ~10000Kbps
After trip +24hrs: 6db SNRM 4539Kbps (capped)

It's still continuing to lose signal, but hasn't in the last 2-3 hours.


Thanks for the clarification smile

If an alternative router/adsl lead/filter verifies your current stats then it's probably best to contact your ISP and report a broadband fault. Perhaps tell them that you are using the test socket, have tried an alternative router and a quiet line test is OK yet the ADSL drops fairly frequently, is unstable and upstream and downstream sync speeds are much slower than before. Hopefully they will then investigate a broadband fault and if an OpenReach SFI engineer visit is required then probably you will not be charged since the fault is most likely exchange side of the NTE5.

Good luck.
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