You have replied to the wrong person ...
and remember that the graphs are on "clean" low noise lines, with no cross talk and working to the full VDSL power levels whereas in reality there will be more noise on the lines and the power mask used by BT is more restrictive that those used in predictive testing and analysis.
M H C
taurus excreta cerebrum vincit
Edited by MHC (Thu 18-Aug-11 13:12:58)