The cyberdata 3port gigabit ethernet switch enables users of a pc to split a single gigabit ethernet port into two gigabit ethernet ports the power for the switch is supplied by the pc usb portFeatures. 3port autonegotiating. 101001000 full duplex. USB or PS2 mousepowered. LinkStatus and connection speed LEDs. Low Power. VLAN Packet Forwarding. RoHS CompliantSpecifications. Ports 3 x RJ45 1 x USBB. Standards IEEE 8023u. Modes 10BaseT 100BaseTX. Power 350mA at 5V supplied by a USB or PS2 port. LEDs Link Status Connection Speed. Operating Temperature 10 degrees C to 50 degrees C 14 degrees F to 122 degrees F