Voltaire® MXK-10GE-XFP-ER Compatible 10GBase-ER XFP Transceiver (SMF, 1550nm, 40km, LC, DOM). A Voltaire® XFP transceiver that operates at 1550nm over single-mode fiber, with a maximum reach of 40km connected via a LC connector. This Voltaire® 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 Voltaire's transceiver and is built to meet or exceed Voltaire'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.