How broadband works: Difference between revisions
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Some lines are very stable, having the same characteristics all of the time. These lines need very low margins. However some lines vary a lot, and this can be over a daily cycle depending on temperature or weather conditions which affect the performance of the line and levels of interference affecting the line. Such lines need higher margins.
The margin on TalkTalk lines can be adjusted manually by staff and customers.
==Interleaving==
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