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Author Topic: BT Broadband  (Read 17584 times)

camallison

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Re: BT Broadband
« Reply #45 on: February 10, 2009, 07:03:50 PM »

Phew  :hmm: - thanks guys - I had images of someone at the exchange or street cabinet waggling the connection!   :-\
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camallison

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Re: BT Broadband
« Reply #46 on: February 11, 2009, 08:20:41 PM »

This is tonight's state of play
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mr_chris

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Re: BT Broadband
« Reply #47 on: February 12, 2009, 09:58:38 AM »

Nothing wrong with that at all!! I wish my line was that stable!
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Chris

camallison

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Re: BT Broadband
« Reply #48 on: February 12, 2009, 03:39:07 PM »

Retires reassured and happy!   8)

Thank you all guys - just was a little bothered when it went up to 4.3meg for a month and then sunk back to 1.9meg again - hoping it didn't sink any lower.

Once again, THANKS!   :drink:
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UncleUB

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Re: BT Broadband
« Reply #49 on: March 19, 2009, 09:32:47 AM »

Just to update my original post.It has been 22 days since my router last re-synced,prior to that I had a period of about 2 weeks when it was re syncing at least once a day.
My downstream snr has been steady between 4.5 and 4.6 in the last 3 weeks.
I can't understand why suddenly it is rock steady and prior to that it was always re-syncing.I have never done anything any different.

Router Stats........
 Line Mode G.DMT   Line State Show Time 
 Latency Type Interleave   Line Up Time 22:02:09:06 
 Line Coding Trellis On   Line Up Count 37 
   
 Statistics Downstream Upstream 
 Line Rate 2400 Kbps 448 Kbps 
 Noise Margin 4.6 dB 12.0 dB 
 Line Attenuation 63.5 dB 31.5 dB 
 Output Power 17.7 dBm 12.3 dBm 
 K (number of bytes in DMT frame) 76 15 
 R (number of check bytes in RS code word) 16 16 
 S (RS code word size in DMT frame) 2 8 
 D (interleaver depth) 16 4 
 Super Frames 112266320  112266318   
 Super Frame Errors 11965  914   
 RS Words 3817054892  417392791   
 RS Correctable Errors 117892809  9426   
 RS Uncorrectable Errors 38396  0   
 HEC Errors 10522  0   
 OCD Errors 67  0   
 LCD Errors 0  0   
 ES Errors 0  0 
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roseway

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Re: BT Broadband
« Reply #50 on: March 19, 2009, 09:48:59 AM »

I guess there was some extra interference around up to three weeks ago. It could be any number of things over which you have little or no control, and a high attenuation line like yours is always going to be vulnerable to such things.
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  Eric

UncleUB

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Re: BT Broadband
« Reply #51 on: March 19, 2009, 09:54:32 AM »

Thanks Eric,

As regards interference I tried to narrow things down,but nothing (in my house anyway) seemed to coincide with the re-sync's.Tbh with my attenuation being what it is I am very pleased to be getting around 2mb.
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UncleUB

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Re: BT Broadband
« Reply #52 on: May 23, 2009, 07:25:55 AM »

A similar thing has happened again,

After being rock steady for 7 weeks my connections has re-synced 4 times in the last 24 hours.

It was 2240/448
then 1856/448
then 1888/448
and now 2112/448.

Quote
Line Mode    G.DMT         Line State    Show Time    
   Latency Type    Interleave         Line Up Time    00:00:11:46    
   Line Coding    Trellis On         Line Up Count    9    
      
   Statistics    Downstream    Upstream    
   Line Rate    2112 Kbps    448 Kbps    
   Noise Margin    5.6 dB    14.0 dB    
   Line Attenuation    63.5 dB    31.5 dB    
   Output Power    17.8 dBm    12.3 dBm    
   K (number of bytes in DMT frame)    67    15    
   R (number of check bytes in RS code word)    16    16    
   S (RS code word size in DMT frame)    2    8    
   D (interleaver depth)    16    4    
   Super Frames    41476     41474     
   Super Frame Errors    0     0     
   RS Words    1410196     352529     
   RS Correctable Errors    5280     0     
   RS Uncorrectable Errors    0     0     
   HEC Errors    0     0     
   OCD Errors    0     0     
   LCD Errors    0     0     
   ES Errors    0     0
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roseway

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Re: BT Broadband
« Reply #53 on: May 23, 2009, 07:29:59 AM »

Hopefully it's just a temporary situation, which is likely to recur periodically.
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  Eric

UncleUB

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Re: BT Broadband
« Reply #54 on: May 23, 2009, 07:39:10 AM »

Hopefully it's just a temporary situation, which is likely to recur periodically.


I hope so Eric.  :fingers:

I can't pin it down to any interference( not from our house at least)

One good thing is when it re sync's there isn't much variation in the downstream speed.
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UncleUB

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Re: BT Broadband
« Reply #55 on: May 25, 2009, 07:21:27 AM »

The one thing I have noticed is the times of the re-syncs, 07.05am and 17.08pm.There is nothing in my home that is switched on/or off at those times.

I wouldn't imagine that any of my neighbours switch things on at those times,it just seems strange that I go weeks without re-syncing and then when it does,it does so at those times.???

Its not really a problem ,my downstream has only gone from max 2240 to min 1856 in that period of 7 re-syncs in 3 days.

The latest re-sync at 07.05 today is 2080/448

I have also noticed the interleaver depth downstream keeps changing from 8 to 16.The upstream is 4 .
« Last Edit: May 25, 2009, 07:23:57 AM by UncleUB »
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roseway

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Re: BT Broadband
« Reply #56 on: May 25, 2009, 09:05:57 AM »

It sounds as though your next-door neighbour has got a dodgy central heating thermostat, or something like that.
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  Eric

UncleUB

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Re: BT Broadband
« Reply #57 on: May 25, 2009, 09:15:19 AM »

It sounds as though your next-door neighbour has got a dodgy central heating thermostat, or something like that.


M'mm,Its just that it goes all those weeks without re-syncing then............If something is dodgy next door,why isn't  it  causing re-sync's all the time..........
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jid

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Re: BT Broadband
« Reply #58 on: May 25, 2009, 11:19:06 AM »

why isn't  it  causing re-sync's all the time..........

Thermostats only work intermittently, when putting heating on and putting it off.

As they are trying to maintain a constant temperature, they can go on and off a few times an hour, maybe the cause of your issues... :-\
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Kind Regards
Jamie

BT FTTP - 75meg | Sky Q |  Bridgend Weather

UncleUB

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Re: BT Broadband
« Reply #59 on: May 26, 2009, 07:21:18 AM »

As regards it could be a neighbours house,what is the maximum distance it could affect my router.I live in a semi and also have the other neighbour just across the driveway.
We also have an electricity sub station across the road.

My router re-synced at the mentioned time of 17.08 last night,I was waiting this morning for the 07.05am re-sync.......but it didn't.  :)
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