Standards: IEEE 802.3u 100Base-FX, IEEE 802.3x, IEEE 802.1Q Connectors: 1 x Multi-Mode SC LEDs: LNK(link)/ACT(activity), 100(100Mbps) Dimensions: 4.8" x 4.6" Weight: 2.88 oz. Temperature: 0°C ~ 45°C Humidity: 5 % ~ 95 % (Non-condensing) Features: Supported OS: Windows 7(32/64-bit)/Vista (32/64-bit)/2003 Server(32/64-bit)/XP(32/64-bit)/2000/ ME/98(SE) Novell Netware 3.11, 3.12, 4.x, 5.x, 6.0, Client 32 Linux Kernel 2.2.x/2.4.x/2.6.x FreeBSD 3.2, 4.0, 4.11, 4.2, 5.x SCO UnixWare 7.x/OpenUnix 8, SCO UNIX 5.0 PCI 2.2 specification compliant Separates 2Kbyte FIFO for receiver and transmitter controllers. Wavelength: 1310nm