Nvg510's are the new modem they have now old 2701's 2210's won't even sync up anymore. At least in most locations. As far as pair bonding for for adsl-2 Mr. Anderson is right it is only available where there is FTTN in place already 1 because distance is still an issue with about 5000' +- a couple hundred' and most areas where there is predominantly ipdslam were never "conditioned" for uverse so not only are there limited good pairs to use for service but there are also just limited pairs period in the area with most being used by POTS/DSL customers
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