Hi.I need to connect several switches. They are 2 2960CX, 2 4500E, 2 SG500X.All the SFPs are Intel FTLX1471DJBCV-i3. The optical media is SMF.The 4500E recognized the SFP as 10G-LR.The SG500X recognized the SFP as 1000BASE-LX.The 2960CX recognized th...