J JLG New Member Mar 14, 2019 2 0 1 Mar 14, 2019 #1 Hi for all. I trying to setup the quanta LB6M and link is always down. When i connect in two x520-da2, everything work (same cable). Have some command specific to active the port ?. Intel 10gbase-sr Sfp+ Optic - ( Ftlx8571d3bcv-i3 ) in both sides.