Part Number XC1001 Technology 10GBASE-LR XENPAK Module for SMF,brand new in retail box,compatible with Cisco completely Manufacturer AAC Eq. Part Numbers XENPAK-10GB-LR=, Notes 1 Year Warranty The Cisco OEM 10GBASE-LR Module supports a link length of 10 kilometers on standard single-mode fiber (SMF) (G.652). The range of Cisco OEM 10GBASE XENPAK modules offers customers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications. Supports 10GBASE Ethernet Hot-swappable input/output device plugs into an Ethernet XENPAK port of a Cisco switch or router to link the port with the network Provides flexibility of interface choice.