Lantronix TN-10GSFP-LRxM-Dxx SFP+ Module - For Optical Network, Data Networking - 1 x LC Duplex 10GBase-ER Network - Optical Fiber - Single-mode - 10 Gigabit Ethernet, Gigabit Ethernet - 10GBase-DWDM, 10GBase-ER, 1000Base-LX40 km Maximum Distance - Plug-in Module - TAA Compliant: