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TalkTalk Wholesale Line Profiles: Difference between revisions

TalkTalk Wholesale Line Profiles (view source)

Revision as of 21:26, 6 January 2015

41 bytes added ,  6 January 2015
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clean up, typos fixed: it it → it is, eg → e.g.
m (clean up, typos fixed: it it → it is, eg → e.g.)
 
==How long does a profile change take?==
Not long! The profile change is set through to TalkTalk Wholesale as soon as you click the button on the control page, and the line will resync within a minute. If the profile change failed, then the log will say failed, it it was successful then it will say Done:
 
[[File:Tt-profile-changed.png]]
**Where there are two, the first indicates downstream and the second indicates upstream.
**The lower the number the greater the achievable line rate, the higher the number the higher the number then the lower the achievable line rate.
**Note: Some fixed profiles omit the SNR property from their name, where this is the case their target margin is 6dB6 dB.
*DDD indicates the maximum download speed.
*UUU indicates the maximum upload speed.
 
SNR is a measure of signal strength and as such is measured in Decibels (dB). The values in use on the TTT network are:
*6 dB
*6dB
*9 dB
*9dB
*12 dB
*12dB
*15 dB
*15dB
 
3dB3 dB should be available by 2014. Customers could try configuring their modem to force a 3dB3 dB profile, but this is not officially supported. (ege.g. a Billion 7800DXL does this)
 
==Interleaving, Error Correction and Delay==
Reedy
editor
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