Multimode SFP module with FP laser that supports Gigabit Ethernet distances of up to 40 kilomters and funcitons at the 1310 nm wavelength.brbrThis Gigabit SFP 100Base Fiber family supports standard Enterprise applications.brbrThese versatile SFP Modules can be positioned for Metro access Rings, point-to-point networking, and SONET OC-3 / SDH STM-1 over singlemode and multimode fiber.