The Cisco 10 G Base-SR module supports a link length of 26 m on standard Fiber Distributed Data Interface (FDDI)-grade multimode fiber (MMF). Using 2000 MHz MMF (OM3), up to 300 m link lengths are possible. Smallest 10G form factor Supports 10 G Base Ethernet Hot-swappable input/output device that plugs into an Ethernet SFP+ port of a Cisco switch Provides flexibility of interface choice Supports "pay-as-you-populate" model Supports digital optical monitoring capability