AddOn Cisco® SFP-25G-ER-I Compatible TAA Compliant 25GBase-ER SFP28 Transceiver (SMF, 1310nm, 40km, LC, DOM, Rugged) - For Data Networking, Optical Network - LC 25GBase-ER Network - Optical Fiber - Single-mode - 25 Gigabit Ethernet - 25GBase-ER - 25 Gbit/s - 40 km Maximum Distance - Hot-swappable - 1 - TAA Compliant: