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Are up load channels locked (limit) at 4 only....have 24x8 modem all 24 download lock but only 4 upload lock..
4 is the standard amount, with a mid-split node work order required for more. There is a post about it om Cox DSLReports site. See link below;
www.dslreports.com/.../r32763383-DOCSIS-Upstream-Eye-Candy
Thks