USB HUB 1 USB B 4 USB +1m .

Features 4 USB ports, up to 100mA per port or up to 500mA (with power adapter) Supports overcurrent protection Supports high-speed (480Mbps) as well as full-speed (12Mbps) and low-speed (1.5Mbps) transfer rate Automatic ‘plug-and-play’ system configuration Chains up to 127 USB devices USB and ACPI compliant Easy connection to external hard disks, digital camcorders, scanners and multimedia & storage devices Requirements: Mac or IBM compatible PC USB host card or USB hub device Specifications Interface standard: USB V2.0 USB connectors: 4 A type female connectors and 1 B female connector Data transfer rate: high-speed transfer 480Mbps, full speed 12Mb/sec and low speed 1.5Mb/sec. A power LED lights when the USB cable is plugged in 4 activity LEDS: every downstream USB port has a LED that lights when the port is used Supports bus-powered and self-powered mode Cable: 1 USB cable Material: plastic