Axiom SFP+ transceiver module ( equivalent to: Brocade 10G-SFPP-ZR ) - 10 Gigabit Ethernet - 10GBase-ZR - LC single-mode - up to 43.5 miles - 1550 nm - for Brocade NetIron CER 20XX CES 20XX MLX-16 32 MLX-4 MLX-8 XMR 16000 XMR 4000