Cisco SFP-10G-LR 10-2457-02 10GBASE-LR SFP+ 1310nm 10km DOM Transceiver Module for Cisco WS-C3560X-48P

Cisco SFP-10G-LR can be used on original Cisco ASR 9000 A9K-4T16GE-SE; The Cisco 10GBASE-LR Module supports a link length of 10 kilometers on standard single-mode fiber (SMF, G.652)