Cisco速 DS-SFP-FC10G-LW Compatible 10GBase-LW SFP+ Transceiver (SMF, 1310nm, 10km, LC, DOM). A 100% Cisco速 compatible SFP+ transceiver that operates at 1310nm over single-mode fiber, with a maximum reach of 10km connected via a LC connector. This Cisco速 SFP+ transceiver is 100% compliant with its designed networking application, and is factory programed with Cisco速 specific configuration data required for seamless networking integration. This SFP+ 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.