PX-SFPFEFX0-02000-CI1 ProXtend SFP FX LC 2KM Fast Ethernet 155Mb/s 826436 Cisco SFP FX LC 2KM Fast Ethernet 155Mb/sThe ProXtend compatible GLC-FE-100FX SFP transceiver provides a maximum 155Mb/s throughput up to 2km over single-mode fiber (SMF), using a wavelength of 1310nm via an LC connector. The transceiver has been preprogramed, data traffic and application tested, guaranteeing that it is 100% compatible and will perform the same as the original Cisco equivalent.