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the ratio, the easier it is to identify and subse quently isolate
and eliminate the source of noise.
Generally speaking, the higher SNR value gets better line
quality, but lower performance.
Q6:
What is band plan and what’s the effect?
A6:
VDSL2 defines multiple band plans and configuration modes
(profiles) to allow asymmetric and symmetric services in
the same binder (by designated frequency bands) for the
transmission of upstream and downstream signals. User
has the ability to select fixed band plan. When Symmetric
is selected that provides better down stream performance,
when Asymmetric is selected that provides better upstream
performance
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