Force10 Networks® GP-XFP-W21 Compatible 10GBase-DWDM XFP Transceiver (SMF, 1560.61nm, 80km, LC, DOM). A 100% Force10 Networks® XFP transceiver that operates at 1530nm to 1560nm over single-mode fiber, with a maximum reach of 80km connected via a LC connector. This Force10 Networks® compatible XFP transceiver has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our XFP transceiver will initialize and perform identically to Force10 Networks' transceiver and is built to meet or exceed Force10 Networks' 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.