D-Link DU-H3ETX User manual
1
DU-H3ETX
3-port USB Hub with 1 NWAY
Ethernet / Fast Ethernet Port
User’s Guide
1
Table of Contents
INTRODUCTION.................................................1
TECHNOLOGY OVERVIEW...................................1
ABOUT DU-H3ETX............................................2
PRODUCT FEATURES............................................3
INSTALLATION....................................................4
ASPECT DESCRIPTION.........................................4
HARDWARE INSTALLATION................................5
SOFTWARE INSTALLATION..................................5
LED INDICATORS.................................................6
USB CONNECTOR PINASSIGNMENT ................8
SPECIFICATIONS................................................9
1
INTRODUCTION
Thank you for purchasing the DU-H3ETX. The
DU-H3ETX provides one 10/100Mbps NWay
Fast Ethernet Port and 3 Downstream USB ports.
The DU-H3ETX features easy connectivity to
10Mbps Ethernet or 100Mbps Fast Ethernet
Network and USB devices including modems,
keyboards, mice and other USB devices.
Technology Overview
USB stands for Universal Serial Bus. USB is a
standard that has been adopted by leading
manufacturers within the computer industry to
define a new type of peripheral connection
scheme. USB is designed to replace older parallel
and serial ports, cables and connectors with
somethingthatis faster andeasierto use. USBhas
the following advantages:
?? Easier --Windows 98, Me and 2000
automatically recognize newly installed
devices without rebooting.
2
?? Speed -- 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 Swappable –Plug in the new device and
go!
About DU-H3ETX
The DU-H3ETX automatically negotiates
between 10Mbps and 100Mbps for fast and easy
connectionto Ethernet or Fast Ethernet Networks.
The DU-H3ETXis designed to provide quick and
easy access to three types of ‘A’ downstream
ports for connecting peripherals that support
USB, USB hubs and other devices. A single type
“B” upstream port is provided for connecting to
the host computer, or another USB hub.
3
Product Features
?? USB 1.0, 1.1 specification compatibility
?? IEEE 802.3 10BASE-T Ethernet standard
?? IEEE 802.3u 100BASE-TX Fast Ethernet
standard
?? Plug-and-Play
?? Supports both OHCI and UHCI.
?? Supports Self-power and Bus-power mode.
?? Supports 1 upstream and 3 downstream USB
ports
?? Supports one 10/100Mbps NWay Fast
Ethernet port
?? 6 LED indicators for Power and Port status
?? Supports connecting up to 127 USB devices
by cascading hubs.
?? Over-current and high-inrush current
protections
4
INSTALLATION
The DU-H3ETX is designed for simple and easy
installation.
Aspect Description
5
Hardware Installation
1. Plug the power adapter into the rear of the
DU-H3ETXand plug power connector into
an electrical outlet or power strip.
2. Plug the B-type connector into the
“Upstream Port”.
3. Plug the A-type connector into a computer
or DU-H3ETX downstream port.
4. Connect up to three USB devices to the
DU-H3ETX’s down-stream ports.
5. Connect your 10Mbps Ethernet or 100Mbps
Fast Ethernet Network to the DU-H3ETX
through the RJ-45 LAN Port.
Software Installation
After installing DU-H3ETX, Windows will find a
new device and request the driver. Please insert
the driver diskette and follow the on screen
installation instructions.
6
LED Indicators
DU-H3ETX is equipped with 6 LED indicators:
Self-Power LED Indicator:
The LED is green when the DU-H3ETX is
receiving power from an external power source.
The LED is dark when the DU-H3ETX receives
power from the USB bus.
Bus-Power LED Indicator:
The LED is green when the DU-H3ETX is
receiving power from the USB bus. The LED is
dark when the DU-H3ETX is receiving power
from an external power source
Port Status LED:
Each port has one status LED. The LED is lit
when the downstream port is working. The LED
is dark when the downstream port is not working.
7
LAN Port Status LED:
The LED is green when the port is running at
100Mbps Fast Ethernet. The LED flashes green
when data is being transmitted or received at
100Mbps. The LED is amber when the port is
running at 10Mbps Ethernet. The LED flashes
amber when the port is transmitting or receiving
data at 10Mbps. The LED is dark when there is no
link. The LED is dark when there is no connection
at the port. Refer to Table 1: LED Indicators.
8
Table 1: LED Indicators
LED
Color Port
Speed Flashing Link Down/
NoConnection
Green 100Mbps
Transmitting/
Receiving
data
LED is dark
Amber
10Mbps Transmitting/
Receiving
data
LED is dark
USB Connector Pin Assignment
Receptacle A Series-APlug
Receptacle B Series-BPlug
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