StarTech.com Cisco GLC-FE-100FX Compatible SFP Module, 100BASE-FX, 100Mbps Multimode Fiber MMF Optic Transceiver, 100 Mbps, LC Connector, 2km, 1310nm, DDM, Cisco ASR920, IE2000, IE4000 - Lifetime Warranty (SFPF1302C) - SFP (mini-GBIC) transceivermodul - 100Mb LAN