StarTech.com USB21000S User manual

USB Network Adapter
1-Port USB 2.0 to Gigabit
Ethernet Network Adapter
USB21000S
Instruction Manual
Manual Revision:07/20/2010
For the most up-to-date information, please visit www.startech.com

FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other
protected names and/or symbols of third-party companies not related in any way to
StarTech.com. Where they occur these references are for illustrative purposes only
and do not represent an endorsement of a product or service by StarTech.com, or
an endorsement of the product(s) to which this manual applies by the third-party
company in question. Regardless of any direct acknowledgement elsewhere in the
body of this document, StarTech.com hereby acknowledges that all trademarks,
registered trademarks, service marks, and other protected names and/or symbols
contained in this manual and related documents are the property of their respective
holders.

i
Table of Contents
Introduction.............................................................. 1
Packaging Contents ............................................................................. 1
System Requirements.......................................................................... 1
Installation................................................................ 2
Driver Installation ................................................................................. 2
Hardware Installation ........................................................................... 2
Verifying Installation ............................................................................. 3
Specifications........................................................... 4
Technical Support.................................................... 5
Warranty Information............................................... 5

1
Introduction
The StarTech.com Gigabit USB 2.0 Ethernet Adapter add a single RJ-45
Ethernet networking port to a USB enabled computer system with link
speeds up to 1000 Mbps. Backwards compatible with USB 1.x computer
systems and 10/100 Mbps Ethernet networks, this compact and portable
adapter is ideal as a desktop replacement network adapter or laptop
accessory. Backed by a StarTech.com 1 year warranty and free lifetime
technical support.
Packaging Contents
• 1 x USB21000S adapter
• 1 x Driver Installation CD
• 1 x Instruction Manual
System Requirements
• USB enabled computer system with available port
• Microsoft®Windows®2000/XP/Server 2003/Vista/Server 2008 R2/7
(32/64-bit), or Windows CE®6.0, or Apple®Mac OS®10.4/10.5/10.6,
or Linux®

2
Installation
Driver Installation
Windows XP/Server 2003/Vista/Server 2008 R2/7
Once the computer has started and the operating system is fully loaded,
insert the provided Driver CD into the computer’s CD/DVD drive.
If AutoPlay opens, choose to browse the CD, otherwise go into “My
Computer” and access the CD/DVD drive that the CD is in.
Navigate to the “Windows” folder and then the folder for the version of
Windows you have and run the “setup.exe” file located in that folder. Follow
the onscreen instructions to complete the driver installation.
Mac OS 10.4/10.5/10.6
Insert the CD into the CD/DVD drive and wait for the CD to mount.
Open the mounted volume from the desktop or Finder and navigate to the
“Mac” folder and then the folder for the version of Mac OS you have and
run the PKG file located in that folder. Follow the onscreen instructions to
complete the driver installation.
Hardware Installation
1.After the drivers have been successfully installed, connect the adapter to
an available USB port on the computer system.
2.The adapter will be automatically recognized and the drivers installed.
3.Once the operating system has completed installing the drivers, a new
networking device should now be available for use.
4.Connect an RJ45 terminated Ethernet cable to the adapter and the green
“LINK” LED should light up to indicate a connection to the network is
detected.
5.Make any configurations changes necessary for your network, though the
normal methods offered by your operating system.

3
Verifying Installation
Windows XP/Server 2003/Vista/Server 2008 R2/7
From the main desktop, right-click on “My Computer” (“Computer” in Vista/7),
then select Manage. In the new Computer Management window, select
Device Manager from the left window panel.
In the Device Manager, under the Network Adapters category, you should
see a new USB networking device listed.
*actual name may vary

4
Specications
Bus Interface USB 2.0
Chipset ID ASIX AX88178
Connectors 1 x RJ45 Ethernet female
1 x USB type A male
LEDs 1 x Link
1 x Activity
Supported Standards IEEE 802.3, 802.3u, 802.3ab
Auto MDI-X Support Yes
Full Duplex Support Yes
Supported Link Speeds Ethernet: 10/100/1000 Mbps
Operating Temperature 0°C ~ 70°C (32°F ~ 158°F)
Storage Temperature -20°C ~ 75°C (-4°F ~ 167°F)
Humidity 10 ~ 90% RH
Dimensions 266.7mm x 33.0mm x 21.0mm
Weight 40.45g
Compatible Operating Systems
Windows 2000/XP/Server 2003/
Vista/Server 2008 R2/7 (32/64-bit),
Mac OS 10.4/10.5/10.6, Linux

5
Technical Support
StarTech.com’s lifetime technical support is an integral part of our commitment
to provide industry-leading solutions. If you ever need help with your product,
visit www.startech.com/support and access our comprehensive selection of
online tools, documentation, and downloads.
Warranty Information
This product is backed by a lifetime warranty.
In addition, StarTech.com warrants its products against defects in materials
and workmanship for the periods noted, following the initial date of purchase.
During this period, the products may be returned for repair, or replacement
with equivalent products at our discretion. The warranty covers parts and
labor costs only. StarTech.com does not warrant its products from defects or
damages arising from misuse, abuse, alteration, or normal wear and tear.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP
(or their officers, directors, employees or agents) for any damages (whether
direct or indirect, special, punitive, incidental, consequential, or otherwise),
loss of profits, loss of business, or any pecuniary loss, arising out of or related
to the use of the product exceed the actual price paid for the product. Some
states do not allow the exclusion or limitation of incidental or consequential
damages. If such laws apply, the limitations or exclusions contained in this
statement may not apply to you.

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