Finisar Fast Ethernet RoHS Compliant Long-Wavelength SFP Transceiver - For Data Networking, Optical Network - 1 x LC Duplex 100Base-FX Network - Optical Fiber - 1310 nm, 62.5/125 µm - Multi-mode - Fast Ethernet - 100Base-FX6561.68 ft Maximum Distance - Hot-pluggable: