The Cisco 10GBASE SFP+ modules give you a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.
Cisco SFP+ modules offer the following features and benefits
Industry’s smallest 10G form factor for greatest density per chassis
Hot-swappable input/output device that plugs into an Ethernet SFP+ port of a Cisco switch (no need to power down if installing or replacing)
Supports “pay-as-you-populate” model for investment protection and ease of technology migration
Digital optical monitoring capability for strong diagnostic capabilities
Optical interoperability with 10GBASE XENPAK, 10GBASE X2, and 10GBASE XFP interfaces on the same link
Cisco quality Identification (ID) feature enables a Cisco platform to identify whether the module is certified and tested by Cisco
10GBASE-LR modules support a link length of 10 kilometers on standard Single-Mode Fiber (SMF) (G.652). SFP-10G-LR-S does not support FCoE
10GBASE-LR Modules support a link length of 10 kilometers on standard Single-Mode Fiber (SMF, G.652)