Cisco - SFP+ transceiver module - 10GbE - 10GBase-CWDM - LC/PC single-mode - up to 40 km - 1610 nm - for P/N: C9500-48Y4C, N3K-C34180YC, N9K-C9332C, NC55-MPA-12T-S, NCS-55A2-MOD-S, WS-C3850-48P