USB 2.0: High-Speed Devices from D-Link


DUB-H4 High-Speed USB 2.0 Four-Port Hub: Specifications
Standards - USB Specification Version 2.0
- USB Specification Version 1.1
- USB Specification Version 1.0
- OHCI (Open Host Controller Interface)
- EHCI (Enhanced Host Controller Interface)
Compatible Operating Systems USB 2.0 Speed
- Mac OS X with USB 2.0 Support
- Microsoft Windows XP, ME, 2000, 98 with USB 2.0 Support

USB 1.x Speed
- Mac OS 8.6 or above with USB 1.x Support and USB Card Support 1.4.1
- Microsoft Windows XP, ME, 2000, 98 with USB 1.x Support

Supplied Current Self-Powered Mode: 500mA per port
Ports - One upstream USB Type "B" receptacle
- Four downstream USB Type "A" receptacles
Size 99.6 mm x 59.5 mm x 25.7 mm
Wiring Topology Tiered Star
Connectivity Up to 127 devices by cascading multiple hubs
Diagnostic LEDs - Self Powered (Red on self-power)
- Port Status (Green, one per port)
Operating Temperature 0°C to 40°C
Storage Temperature 0 to 95%, non-condensing
Humidity 5% to 95%, non-condensing
Power Requirements Self Powered -12.6W, 2.1 A @ 5 VDC
Power Supply Output 5V 2.5A
Compliances - CE
- FCC Class B
- UL
Warranty 1 Year


There really isn't much to installing the DUB-H4. Start by plugging the provided cable's USB Type B Connector into the back of the hub. Next, connect the AC adapter to the hub and plug the adapter into a live receptacle. Finish by plugging the provided cable's Type A connector into a USB port. If you want the high-speed benefits of USB 2.0, make sure you attach the hub to a USB 2.0 port. Once you have made the connection, your computer will automatically detect and install the DUB-H4 unit.

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