The Cisco 10GBASE-LRM SFP Module provides 10 Gigabit Ethernet connectivity for customers with legacy Fiber Distributed Data Interface (FDDI), Optical Multimode 1 (OM1), and Optical Multimode 2 (OM2) Multimode Fiber (MMF) cable installations. Supports link lengths of 220 m on FDDI, OM1 and OM2. This input/output transceiver plugs into an Ethernet SFP+ port on a Cisco switch and provides optical interoperability with 10GBASE XENPAK, 10GBASE X2, and 10GBASE XFP interfaces on the same link.