ATEN US221A, US421A User Manual
US221A / US421A
USER MANUAL
USB 2.0 Peripheral Switch
FCC Information
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 instruction manual, may
cause 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 which the receiver is connected;
Consult the dealer or an experienced radio/television technician
for help.
RoHS
This product is RoHS compliant.
SJ/T 11364-2006
The following contains information that relates to China.
US221A / US421A
User Manual
Online Registration
You can register your product at our online support center:
International http://support.aten.com
North America http://www.aten-usa.com/product_registration
Online Support
International
Email Support support@aten.com
Online
Support
Telephone Support 886-2-8692-6959
North America
Email Support ATEN TECH support@aten-usa.com
Online
Support
Telephone Support ATEN TECH 1-888-999-ATEN
Technical Support http://support.aten.com
Troubleshooting
Documentation
Software Updates
Te ch ni ca l
Support
Troubleshooting
Documentation
SW Updates
ATEN NJ sales@aten.com
ATEN TECH http://www.aten-usa.com/support
ATEN NJ http://support.aten.com
ATEN TECH http://www.aten-usa.com
ATEN NJ http://www.aten.com
ATEN NJ 1-732-356-1703
http://www.aten.com
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Packa ge C ontents
Copyright © 2009 ATEN® International Co., Ltd.
Manual Part No. PAPE-1245-110G
Manual Date: 2009-05-20
ATEN and the ATEN logo are trademarks of ATEN International Co., Ltd. All rights
reserved. All other trademarks are the property of their respective owners.
The US221A / US421A USB 2.0 Peripheral Switch package
contains the following items:
1 2-port (US221A) or 4-port (US421A) USB 2.0 Peripheral
Switch
1 1.8 m USB Type A to USB Type B Cable
1 Installation Disk
1 User Manual*
1 Quick Start Guide
Check to make sure that all the components are present and that
nothing got damaged in shipping. If you encounter a problem,
contact your dealer.
Read this manual thoroughly and follow the installation and
operation procedures carefully to prevent any damage to the unit,
and/or any of the devices connected to it.
* Features may have been added to the US221A / US421A since
this manual was printed. Please visit our website to download
the most up-to-date version of the manual.
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Overview
The US221A / US421A is a 2/4-port USB 2.0 Peripheral Switch
that allows up to 2/4 computers to share the use of a single USB
peripheral device (such as a printer, scanner, mass storage drive,
etc.*) on a one-at-a-time basis.
The peripheral focus can be given to a computer manually by
using pushbuttons on the switch or by using the software-based
configuration utility. In addition, the US221
Auto Switch function that stores commands sent to the USB
peripheral device to be processed on a first-come, first-served
basis, meaning that a print server is not required.
Compatible with both Windows and Mac, and with multifunction
printer support, the US221A / US421A is the ideal way to share
the latest USB 2.0 peripherals in a multimedia SOHO
environment.
Note: The US221A / US421A does not support a USB hub
peripheral device.
A / US421A has a new
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Features
Enables two (US221A) or four (US421A) computers to share a
single USB peripheral device
Simple port selection via pushbuttons or easy-to-use
configuration utility
Auto Switch function – no need for a separate print server
USB 2.0 compliant
Supports transfer rates up to 480 Mbps
Multiplatform support – Windows and Mac
LED indicators display port focus
Overcurrent protection
Bus-powered
Hot pluggable
Buzzer indicates switching between computers
Supports multifunction printers
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