D-Link速 DEM-310GM2 Compatible 1000Base-SX GBIC Transceiver (MMF, 850nm, 550m, SC). A 100% D-Link速 compatible GBIC transceiver that operates at 850nm over multi-mode fiber, with a maximum reach of 550m connected via a SC connector. This D-Link速 GBIC transceiver is 100% compliant with its designed networking application, and is factory programed with D-Link速 specific configuration data required for seamless networking integration. This GBIC 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.