D-Link DFE- 550FX Adapter18SpecificationsNetwork Type:• IEEE 802.3u standard 100Mbps Ethernet 100BASE-FXMedia interface: SCLAN Chip Set:• Interface controller: D-Link DL10050CEMI Compatibility:• FCC Class B• VCCI Class B• CE Class B• C-Tick• BSMIHost interface: PCI 2.2 Bus (Bus Master)Optical Transceiver: Agilent HFBR-5803Physical Dimensions: 120mm x 73mmEnvironment:• Storage: -25° ~ 55°C (-13° ~ 131°F)• Operating: 0° ~ 50°C (32° ~ 122°F)• Humidity: 10% to 90% non-condensingPower Consumption: 1.5 Watts maxESD: 8 KV minPCB: 4 layersDevice Drivers†Software drivers for:• Microsoft Windows 95/95OSR2• Microsoft Windows 98/98SE/ME† Check http://www.dlink.com for newest release of drivers.