Industry Standard 10GBase-ER SFP+ transceiver (SMF, 1550nm, 40km, LC). An Industry Standard SFP+ transceiver that operates at 1550nm over single-mode fiber, with a maximum reach of 40km connected via a LC connector. This Industry Standard SFP+ transceiver has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our SFP+ transceiver is built to 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.