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USB 2.0 High-Speed Hub
2. Overview
2.1 Introduction
The USB 2.0 High-Speed Hub is USB 2.0 compliant and connects to a Universal
Serial Bus (USB) port on your desktop or notebook computer. This slim hub has 4
or 7 ports for connecting USB (high-speed 480 Mbps or standard 1.5 Mbps)
devices to your computer. With a maximum bandwidth of 480 Mbps, this slim
hub enables you to connect devices that consume a large amount of bandwidth,
such as an external storage device, printer, scanner, DVD or CD-RW drive or digital
camera, to your computer.
2.2 Features
• Complies with Universal Serial Bus Specification Version 2.0 (Data Rate
1.5/12/480 Mbps)
• Four or seven external USB Type A downstream ports
• Connects up to a maximum of 127 USB devices through cascading multiple
hubs
• Derives power from the USB interface or from provided power supply
• Enables one Transaction Translator per hub and supports four or seven
concurrent non-periodic transactions
• Supports plug-and-play and hot-swap functions
• Compatible with Windows
®
and Mac
®
OS
• Supports EHCI/UHCI/OHCI specification
• Per-port output voltage is +5 VDC. Output current is 500 mA
2.3 System Requirements
To use the hub, your computer must meet the following hardware requirements
and run on one of the operating systems listed in Section 2.4.
NOTE: The USB 2.0 High-Speed 4- and 7-Port Hubs are backward compatible, so
you can connect them to a computer with either a USB 1.1 or 2.0 interface.
When using the hub with a computer that has a version 1.1 USB interface,
all the devices attached to the hub will run at USB 1.1 speed (up to
12 Mbps).
2.4 Hardware Operating System
• 64 MB RAM or higher, depending on the operating system
• USB interface
