D-Link DU-H4 User Manual

DU-H4

4-port USB Hub

User’s Manual

Rev. 01 (Oct. 2000)

Printed In China

INTRODUCTION

Thanks for purchasing the D-Link 4-Port USB
Hub. This easy plug and play external device
will allow your computer to connect to USB
interfaced monitors, printers, digital speakers,
modems, digital cameras, joysticks and other
USB devices.

Technology Overview

USB stands for Universal Serial Bus. It’s a
standard that has been adopted by leading
manufacturers within the computer industry to
define a new type of peripheral connection
scheme. It is designed to replace older parallel
and serial ports, cables, and connectors with
something faster and easier to use. USB is:

?? Easier -- Windows 98 , 2000, Me or MAC

OS will automatically recognize newly
installed devices.

?? Quicker -- You won’t have to reboot when

installing.

?? Faster -- Top USB data speed is around 100

times faster than a serial connection.

?? Greater Expandability -- Using USB hubs

you can connect up to 127 devices to your
computer.

?? Hot Swappabl e -- They just plug and play!

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About the 4-Port USB Hub

The 4-Port USB Hub allows users to connect up
to four USB peripherals to their USB ready PC
or Mac.

The 4-port USB Hub is designed to provide
quicker and easier access to four type “A”
downstream ports for connecting peripherals
with USB support, USB hubs and other devices.
A single type “B” upstream port is provided for
connecting to the host computer, or another USB
hub.

Product Features

?? USB 1.1 specification compatibility
?? Plug-and-Play
?? Supports both OHCI and UHCI.
?? Supports Self-power mode.
?? Supports Bus-power mode.
?? Supports 1 upstream and four downstream

USB ports

?? One LED indicator for Self-power mode
?? One LED indicator for Bus-power mode
?? One LED indicator for each downstream

port status

?? Connects up to 127 USB devices with

cascading hub.

?? Over-current and high-inrush current

protections

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