Package Contents

The US221A / US421A USB 2.0 Peripheral Switch package contains the following items:

Š1 2-port (US221A) or 4-port (US421A) USB 2.0 Peripheral Switch

Š1 1.8 m USB Type A to USB Type B Cable

Š1 Installation Disk

Š1 User Manual*

Š1 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.

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.

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