Cisco SFP+ Transceiver Module – 1 x LC Fiber Channel Network8 DS-SFP-FC8G-LW-RF

AddOn SFP56 Module – For Optical Network, Data Networking – 1 x LC 50GBase-LR Network – Optical Fiber – Single-mode – 50 Gigabit Ethernet, 25 Gigabit Ethernet, 10 Gigabit Ethernet – 50GBase-LR – TAA Compliant SFPM-50GBASE-LR-I-AO