I have two of these switches. Each switch has, connected to its SFP+ port, a Windows 10 Pro PC with a Mellanox MCX311A-XCAT 10GbE SFP+ NIC. On one PC, I used a 3.0 meter SFP+ DAC. On the other PC, I needed a longer cable, and I wanted to play with a fiber optic patch cable (plus, I like how...