Features: Single +3.3V or +5V Power Supply Hot-Pluggable Duplex SC Connector Gigabit Ethernet 1000Base-SX/LX/XD/ZX at 1.25Gb/s Optional Eye Safety, Meet Laser Class1, Compliant with IEC60825-1 Compliant with Telcordia (Bellcore) GR-468-CORE Compliant with Specifications for IEEE-802.3 Compliant with ANSI Spec. for Fiber Channel Applications at 1.06Gb/s Standard Products: Switch to switch interface High speed I/O for file servers Bus extension applications