The Cisco 10GBASE X2 module offers customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, & service provider transport applications. The Cisco 10GBASE-LR module supports a link length of 10 kilometers on standard single-mode fiber (SMF, G.652). Please note: networking components such as switches, routers, UPS & wireless devices require that speeds & standards be consistent throughout the network to gain optimum performance. To avoid compatibility clashes or for advice, please contact us on solutions@ebuyer.com.