Enterasys速 MGBIC-BX10-D compatible 1000Base-BX SFP transceiver (SMF, 1490nmTx/1310nmRx, 40km (40 km = 24.9 mi), LC). A 100% Enterasys速 compatible SFP transceiver that operates at 1490nmTx/1310nmRx over single-mode fiber, with a maximum reach of 40km (40 km = 24.9 mi) connected via a LC connector. This Enterasys速 SFP transceiver is 100% compliant with its designed networking application, and is factory programmed with Enterasys速 specific configuration data required for seamless networking integration. This SFP transceiver will initialize and perform identically to Enterasys' transceiver and is built to meet or exceed Enterasys' 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.