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  >> Broadband Not-spots & slow-spots


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Standard User hawkhead
(newbie) Tue 22-Mar-11 10:10:39
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New line woes


[link to this post]
 
Moved 14/03 - previously very stable connection at over 7 meg in Torquay

BT installed new line onto 1 (only) existing socket and expectation of 1.5 meg

Exchange is Kingskerswell

http://www.samknows.com/broadband/exchange/WWKKWL

Router is Belkin F5D8636-4 v1 into Solwise filter (also tried Z blocker)

BRAS is all over the place from 135 to 750 and speedtests from 0.12 to 0.73

Router initially synced at just over 1 meg

Router stats currently

Downstream Upstream

Data rate(Kbps)
576Kb 448Kb

Noise Margin
12 16

Output power(dBm)
123 156

Attenuation(dB)
60 31

Router log (recent)
The 00:30:56 was me rebooting router
and 09:39:35 was all by itself

03/22/2011 09:39:57 If(ATM1) PPP connection ok !
03/22/2011 09:39:56 ATM1 get IP:82.69.30.62
03/22/2011 09:39:50 ATM1 start PPP
03/22/2011 09:39:50 If(ATM1) PPP fail : Peer terminate
03/22/2011 09:39:48 ATM1 start PPP
03/22/2011 09:39:48 ADSL Media Up !
03/22/2011 09:39:35 ATM1 stop PPP
03/22/2011 09:39:35 ADSL Media Down !
03/22/2011 09:00:12 sending ACK to 192.168.2.3
03/22/2011 09:00:12 sending OFFER to 192.168.2.3
03/22/2011 09:00:08 sending OFFER to 192.168.2.3
03/22/2011 05:36:10 NTP Date/Time updated.
03/22/2011 00:32:27 User from 192.168.2.4 timed out
03/22/2011 00:31:31 If(ATM1) PPP connection ok !
03/22/2011 00:31:30 ATM1 get IP:82.69.30.62
03/22/2011 00:31:25 ATM1 start PPP
03/22/2011 00:31:24 If(ATM1) PPP fail : Peer terminate
03/22/2011 00:31:22 ATM1 start PPP
03/22/2011 00:31:22 ADSL Media Up !
03/22/2011 00:30:56 ATM1 stop PPP
03/22/2011 00:30:56 ADSL Media Down !


Neighbour is synced at 2.5 meg

any suggestions ?

Edited by hawkhead (Tue 22-Mar-11 10:12:04)

Administrator MrSaffron
(staff) Tue 22-Mar-11 11:03:59
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Re: New line woes


[re: hawkhead] [link to this post]
 
Is the 576kbps now a constant?

At 60dB attenuation better would be expected, i.e. 1 to 2Meg. It may be something local interfering e.g. transformer for LV lights, burglar alarm or other device.

Also Belkin routers have never really featured on recommendation lists for long lines that I can remember, some modems drop the line too easily causing what has happened to you, i.e. DLM sensing instalbility and slowing you down, and possibly applying a fixed half meg profile.

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User hawkhead
(newbie) Tue 22-Mar-11 11:19:53
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Re: New line woes


[re: MrSaffron] [link to this post]
 
Thanks for the reply
I can get the router to sync at over 1meg during quiet times - it then seems to drop and slow down into the 300-600 range by itself

One of my thoughts was a different router - any suggestions ?

In reply to a post by MrSaffron:
Is the 576kbps now a constant?


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Administrator MrSaffron
(staff) Tue 22-Mar-11 11:34:56
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Re: New line woes


[re: hawkhead] [link to this post]
 
2wire 2700 appears popular

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User 5km
(knowledge is power) Tue 22-Mar-11 13:20:52
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Re: New line woes


[re: hawkhead] [link to this post]
 
60bB might be the limit of what the router can report and therefore the attenuation could actually be higher.

With an SNR of 12dB there is room for more than 576k but only if the SNR is stable.

If the SNR is very stable then using a router that allows you to adjust the SNR margin would allow you to squeeze a little extra speed but would reduce the reliability. There is always a trade off!

Older Speedtouch 585 with the right firmware can be configured with a lower SNR margin using DMT tool.

O2 Broadband Premium LLU
Now on twitter @timmay2
Standard User KevG123
(learned) Tue 22-Mar-11 17:12:51
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Re: New line woes


[re: MrSaffron] [link to this post]
 
With a 2 wire I'm sync'ing at 1280 on a 73db line - also get below 40ms ping

Been stable now for well over a month

Brilliant piece of kit

(also needed a UPS because of occasional power cuts in the night)
Standard User benbird7
(experienced) Tue 22-Mar-11 21:08:35
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Re: New line woes


[re: MrSaffron] [link to this post]
 
I'd suggest the 2wire 2700hgv aka BT Business Hub from when I was at my last house through BT too!

I then switched to LLU which you haven't the option of, try that router it may help!

I'm on a 61db line (just updated sig, that was from the old house!) BRAS Prifling is a killer on long lines and is a real pitb when you haven't the option of llu like you!

Regards,


Ben Bird

Xilo <--- The dog's danglies!
3km from Exchange
Downstream Att 62DB.

My Broadband Speed Test

Edited by benbird7 (Tue 22-Mar-11 21:12:34)

Standard User hawkhead
(newbie) Wed 23-Mar-11 00:07:38
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Re: New line woes


[re: benbird7] [link to this post]
 
Thanks for all the advice a 2700 is on it's way - cheap too!!
Standard User hawkhead
(newbie) Wed 23-Mar-11 12:04:12
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Re: New line woes


[re: hawkhead] [link to this post]
 
My line this morning

RouterStats
Standard User bb4chudleigh
(committed) Thu 24-Mar-11 23:05:11
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Re: New line woes


[re: hawkhead] [link to this post]
 
no virgin cable where you are in KKW then?
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