3Com GHB-1440A Installationshandbuch

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Installation Guide

USB Network Ethernet Adapter

Part Number 09-2054-000

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.

Please read this Installation Guide before you begin installation.

If you have questions or problems during installation, see the

"Troubleshooting" section.

Download Valuable Free Software

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:

http://www.3Com.com/managedpc.

Then click Managed PC Boot Agent on Disk (MBA on Disk).

Supplied and Required Items

Review these lists of items to be sure you have everything ready

to install the USB Network Ethernet Adapter.

Supplied:

10/100* Mbps USB Network Ethernet Adapter

2 ft USB cable

Installation diskette

This Installation Guide

* This adapter is compatible with 100Base-TX networks, but the

throughput is based on the bandwith of USB 1.0/1.1.

Required (Not Supplied):

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

Connect the USB Network Ethernet

Adapter to the Computer

Insert the round connector on the USB cable into the

USB port on the USB Network Ethernet Adapter

Insert the flat connector on the USB cable into an

available USB port on your computer.

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.

See "Install the USB Network Ethernet Adapter

Driver" for step-by-step instructions

Install the USB Network Ethernet

Adapter Driver

Insert the Installation disk into the floppy drive, and

follow the on-screen prompts to install the driver file

from the disk.

Windows automatically installs the driver.

Note: If Windows prompts you to restart the

computer, follow the prompt to restart the computer.

See "Connect the USB Network Ethernet Adapter to

the Ethernet Port" to finish the installation.

Note: The illustration below shows one example of

how the USB Network Ethernet Adapter is used to

connect multiple devices on a home network.

Connect the USB Network Ethernet

Adapter to the Ethernet Port

CAUTION: Use only an Ethernet cable to make this

connection. Inserting a telephone cable into the Ethernet

port can damage either device

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.

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.

The installation is complete. To verify the IP address,

see "Release and Renew the IP Address."

Release and Renew the IP Address

Note: For more information about this procedure, consult

the Microsoft documentation that came with the computer.

Windows 98/Me Users:

Click Windows Start and select Run.

In the Open: field, type winipcfg and click OK.

The IP Configuration screen appears.

Select 3Com USB Network Ethernet Adapter from the

drop-down menu.

Click Release and then click Renew.

Windows releases and renews the IP address.

Exit the IP Configuration screen and return to the

Windows desktop.

Windows 2000 Users:

Click Windows Start and select Run.

In the Open: field, type command and click OK.

An MS-DOS Prompt screen appears.

At the C:\ prompt, type ipconfig /release and

press Enter.

Windows releases the IP address.

Then type ipconfig /renew and press Enter.

Windows renews the IP address.

Exit the MS-DOS prompt and return to the Windows

desktop.

Troubleshooting

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.

Using the LEDs to Diagnose Problems

As shown below, the USB Network Ethernet Adapter has two light

emitting diodes (LEDs). You can use these to diagnose installation

and connection problems.

100 LED

Link/Activity LED

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.

Frequently Asked Questions (FAQ)

This section provides answers to frequently asked questions about

installation and use of the USB Network Ethernet Adapter.

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:

(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.

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.

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.

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.

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:

(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.

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