Cisco速 DS-X2-FC10G-LR compatible 10GBase-LR X2 transceiver (SMF, 1310nm, 10km, SC). A 100% Cisco速 compatible X2 transceiver that operates at 1310nm over single-mode fiber, with a maximum reach of 10km connected via a SC connector. This Cisco速 X2 transceiver is 100% compliant with its designed networking application, and is factory programmed with Cisco速 specific configuration data required for seamless networking integration. This X2 transceiver will initialize and perform identically to Cisco's transceiver and is built to meet or exceed Cisco's specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.