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Quick Installation Guide
USB 2.0 External Hub
UH-421/UH-430
The UH-421/UH-430 is an Universal Serial Bus (USB) hub, which is an USB cable
concentrator and a bridge between PC USB host controller and USB devices. The
USB hub has one upstream port and four downstream ports. It supports High speed
(480Mbps), full speed (12Mbps) and low speed (1.5Mbps) devices such as mouse,
digital camera, joystick and etc. The USB hub provides bus-powered mode. On UH-
421, it is also support self-powered mode for user to connect external power adapter
to gain the output power and make the high power required USB device work stably.
Provides per port over-current detection and protection to prevent your USB hub
damage when abnormal USB device connected.
Package Content
1 x UH-421/UH-430
1 x Quick Installation Guide
1 x Type-A to Type-B cable (UH-421)
1 x Power Adapter (UH-421)
System Requirement
1. Windows 98/Me/2000/XP/Server2003
2. Macintosh, iMac, G3, 300, 350, 400 with Mac OS 8.1 or above
3. Your PC must have USB host controllers inside the H/W system.
Physical Installation
UH-421:
1. Make sure the PC’s USB driver is installed and work properly.