Troubleshooting
Connect the USB Network Ethernet
Adapter to the Computer
Connect the USB Network Ethernet
Adapter to the Ethernet Port
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3
This section offers answers to specific questions you may have
during installation and setup. For additional information, contact
3Com technical support. See “Support Resources” on the back side
of this guide for detailed contact information.
A.
Insert the round connector on the USB cable into the
USB port on the USB Network Ethernet Adapter
Installation Guide
CAUTION: Use only an Ethernet cable to make this
connection. Inserting a telephone cable into the Ethernet
port can damage either device
Using the LEDs to Diagnose Problems
USB Network Ethernet Adapter
As shown below, the USB Network Ethernet Adapter has two light
emitting diodes (LEDs). You can use these to diagnose installation
and connection problems.
A.
B.
C.
Insert the Ethernet cable into the Ethernet port on
the USB Network Ethernet Adapter.
Note: The Ethernet cable is not included. See
“Before You Begin” for more information.
Part Number 09-2054-000
100 LED
Link/Activity LED
B.
Insert the flat connector on the USB cable into an
available USB port on your computer.
100
Link/Act
The following tables describes how to interpret the LED signal. The
100 signal varies depending on the speed of the device that is
connected to the USB Network Ethernet Adapter. If you detect a
problem, contact 3Com technical support.
Insert the other end of the Ethernet cable into an
available Ethernet port on a broadband modem, hub,
home gateway, or other Ethernet Internet device.
Windows automatically detects the USB Ethernet
Adapter and displays the New Hardware Found
screen. Windows then prompts you to search for a
driver.
Note: If Windows does not automatically detect the
device, click Windows Start, select Settings and then
click Control Panel. Then click the Add/Remove
Hardware icon and follow the on-screen prompts.
Before You Begin
You have just purchased the 3Com® USB Network Ethernet
Adapter. The USB connection is the easiest way to connect a
computer to a Broadband modem, Ethernet hub, home gateway,
or any other Ethernet Internet device.
C.
See “Install the USB Network Ethernet Adapter
Driver” for step-by-step instructions
The installation is complete. To verify the IP address,
see “Release and Renew the IP Address.”
Frequently Asked Questions (FAQ)
This section provides answers to frequently asked questions about
installation and use of the USB Network Ethernet Adapter.
Install the USB Network Ethernet
Adapter Driver
Please read this Installation Guide before you begin installation.
If you have questions or problems during installation, see the
“Troubleshooting” section.
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Q: How do I know if USB is enabled on the computer?
A: Follow this procedure to verify that USB is enabled on your
computer:
Release and Renew the IP Address
4
A.
Insert the Installation disk into the floppy drive, and
follow the on-screen prompts to install the driver file
from the disk.
Note: For more information about this procedure, consult
the Microsoft documentation that came with the computer.
Download Valuable Free Software
(1) Right-click the My Computer icon on your Windows desktop,
(2) Click Properties and then click the Device Manager tab (Win-
dows 2000 users click the Hardware tab and then click Device
Manager), (3) Double-click Universal Serial Bus Controller. If USB is
enabled on your computer, Universal/Open Host Controller appears
below this listing.
3Com offers Preboot Execution Environment (PXE) software for
this product. PXE allows a system administrator to manage the
PC remotely, which reduces the number of support visits to the
PC and can decrease total cost. PXE support for this product is
available with 3Com’s MBA on Disk. To download MBA on Disk
for free and to obtain more information on PXE, go to:
Windows automatically installs the driver.
Windows 98/Me Users:
Note: If Windows prompts you to restart the
computer, follow the prompt to restart the computer.
A. Click Windows Start and select Run.
B. In the Open: field, type winipcfgand click OK.
The IP Configuration screen appears.
C. Select 3Com USB Network Ethernet Adapter from the
drop-down menu.
D. Click Release and then click Renew.
Windows releases and renews the IP address.
E.
B.
See “Connect the USB Network Ethernet Adapter to
the Ethernet Port” to finish the installation.
Q: Should the computer be powered off when I connect or
disconnect the USB Network Ethernet Adapter?
A: No, the power can remain on during installation.
Then click Managed PC Boot Agent on Disk (MBA on Disk).
Note: The illustration below shows one example of
how the USB Network Ethernet Adapter is used to
connect multiple devices on a home network.
Exit the IP Configuration screen and return to the
Windows desktop.
Supplied and Required Items
Q: What if I do not have an available USB port on the
computer?
A: If you do not have an available USB port on your computer, you
can use a USB hub. A USB hub is a peripheral that expands the
number of USB ports available to the computer.
Review these lists of items to be sure you have everything ready
to install the USB Network Ethernet Adapter.
Windows 2000 Users:
A. Click Windows Start and select Run.
B. In the Open: field, type commandand click OK.
An MS-DOS Prompt screen appears.
C. At the C:\ prompt, type ipconfig /releaseand
press Enter.
Supplied:
„ 10/100* Mbps USB Network Ethernet Adapter
Note: You must use a USB hub that is self-powered. The computer
cannot provide sufficient power to run both the USB hub and the
USB Network Ethernet Adapter.
„ 2 ft USB cable
„ Installation diskette
„ This Installation Guide
Windows releases the IP address.
D. Then type ipconfig /renewand press Enter.
Windows renews the IP address.
E.
Q: How do I remove the USB Network Ethernet Adapter
driver file or an incomplete installation?
A: Follow this procedure to uninstall the driver file:
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* This adapter is compatible with 100Base-TX networks, but the
throughput is based on the bandwith of USB 1.0/1.1.
Exit the MS-DOS prompt and return to the Windows
desktop.
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3
Required (Not Supplied):
(1) From the Windows Start menu, select Settings and then Control
Panel, (2) Double-click the Add/Remove Programs icon, (3) Click the
Install/Uninstall tab and select 3Com USB Network Ethernet
Adapter, (4) click Add/Remove (Windows 2000 users click Change/
Remove) and then click Yes.
„ Standard category 5 Ethernet cable with 2 male RJ-45
connectors
„ Computer running Microsoft® Windows® 98, Windows 2000
Professional, or Windows Me operating system with:
„
Available USB port
66 MHz processor or higher
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Corporation. Microsoft and Windows are registered trademarks of Microsoft Corporation. All other company and product names may be
trademarks or registered trademarks of their respective companies.
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