SFP-10G-LR-S-RF - Cisco - SFP+ transceiver module

10GbE - 10GBase-LR - LC/PC single-mode - up to 10 km - 1310 nm - refurbished - for 250 Series; Nexus 22XX, 30XX, 31XX, 3548, 93180, 93XX; ONE Nexus 55XX; UCS 62XX, C4200