Cisco SFP-10G-LR= 1310nm network media converter

10GBASE-LR SFP+ Module for SMF The Cisco® 10GBASE SFP+ modules offer customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.

Main features of Cisco 10GBASE SFP+ modules include:
-Smallest 10G form factor.
-Supports 10GBASE 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 the Cisco quality identification (ID) feature that enables a Cisco switch to identify whether the module is certified and tested by Cisco.
-Optical interoperability with 10GBASE XENPAK, 10GBASE X2, and 10GBASE XFP interfaces on the same link.

The Cisco 10GBASE-LR Module supports a link length of 10 kilometers on standard single-mode fiber (SMF, G.652)