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Administrator MrSaffron
(staff) Thu 26-Jan-12 17:52:14
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Re: Quick question


[re: deleted] [link to this post]
 
I would suggest 2014 for vectoring, i.e. get the bulk of their own roll-out done, and the BDUK stuff well underway

Andrew Ferguson, [email protected]
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 deleted
(deleted) Wed 01-Feb-12 22:07:35
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Re: Quick question


[re: deleted] [link to this post]
 
I remember us originally contacting Openreach for you and their reply unfortunately stated the reason:

"It all lies with the cab being close to the exchange and 3.5km away from the eu's premises. Although the E side is now delivered over fibre, the cabinet is very close to the exchange and so it means there'll be no improvement in the current ADSL speeds because the D side is still copper and a very long line."

Therefore, FTTC is not showing available because the service will not work any better and could even be worse. Sorry - I know it's not great, but that's the problem!
Standard User deleted
(deleted) Wed 01-Feb-12 22:42:54
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Re: Quick question


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Yeah James, I appreciate you doing that for me even though it took a while for BT to reply to you guys!

Can someone explain what vectoring is and if it could help me?

Cheers!


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Standard User MHC
(legend) Wed 01-Feb-12 23:12:17
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Re: Quick question


[re: deleted] [link to this post]
 
Vectoring is a method of noise cancellation. It measures and monitors all of the lines in a cable bundle and for each line injects an equal and opposite signal to the predicted noise that will come from crosstalk from te other lines. Not perfect but if managed properly will improve the SNR.

For a very long line, will it help much? Comparing VDSL and VectorVDSL it is unlikely as the attenuation at the higher frequencies will not change and although a few more carriers might work the improvement will not be great if any. And with the band plan and positioning of upstream and downstream within it compared to ADSL, the result could be worse.





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M H C


taurus excreta cerebrum vincit
Administrator MrSaffron
(staff) Thu 02-Feb-12 08:11:39
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Re: Quick question


[re: MHC] [link to this post]
 
On a line of 3.5km from cab to property, then ADSL/ADSL2+ would seem best bet

Andrew Ferguson, [email protected]
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.
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