The Cisco® 10G BASE SFP+ modules give you a wide variety of 10 gigabit ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications. The Cisco 10G BASE-SR Module supports a link length of 26 m on standard Fiber Distributed Data Interface (FDDI)-grade Multimode Fiber (MMF).
Using 2000 MHz*km MMF (OM3), up to 300 m link lengths are possible. Using 4700 MHz*km MMF (OM4), up to 400m link lengths are possible.