D-Link速 DEM-315GT compatible 1000Base-ZX SFP transceiver (SMF, 1550nm, 80km, LC). A 100% D-Link速 compatible SFP transceiver that operates at 1550nm over single-mode fiber, with a maximum reach of 80km connected via a LC connector. This D-Link速 SFP transceiver is 100% compliant with its designed networking application, and is factory programmed with D-Link速 specific configuration data required for seamless networking integration. This SFP transceiver will initialize and perform identically to D-Link's transceiver and is built to meet or exceed D-Link'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.