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This is the support site for Andrews & Arnold Ltd, a UK Internet provider. Information on these pages is generally for our customers but may be useful to others, enjoy!
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On the control pages for the Line we have the profiles selection:
[[File:Tt-profile-list.png|none|frame|Profile options on the Control Pages]]
To change the profile, select the one you like, and then press Profile to make the change. It will just take a few seconds to apply, and the line will resync.
=Understanding the Profile Names=
[[File:Tt-profile.png|link=
*We have a table of all the available profiles, [[TalkTalk Wholesale Line Profiles List|See here]]
==Annex M line profiles==
AnnexM profiles are available to customers with the 'Premium' option on their service.
Annex M line profiles are of the form:
MXYYY_SNR_DDD_UUU:MInpN
==SNR==
SNR is a measure of signal strength and as such is measured in Decibels (dB). The values in use on the
*6 dB
*9 dB
*15 dB
==3dB==
3 dB is now supported! As of November 2015 customers can request a 3 dB profile. The process is a little long winded, but once a Support staff member picks up the task 3 dB can be applied within a few minutes. Do contact us.
==Interleaving, Error Correction and Delay==
Packets of data that are transferred across a DSL line are split
If one block of a larger packet is lost due to line interference, the packet can be recreated using the remaining blocks that were received; data blocks reserve some space for data which can salvage a partially damaged block. This is known as
The
The buffer sizes available on the TalkTalk network are:
*Off (
*8ms
*16ms
[[Category:TalkTalk Wholesale]]
[[Category:
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