ATEN US221A Manuale utente

US221A / US421A

USB 2.0 Peripheral Switch

User Manual

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Compliance Statements

FEDERAL COMMUNICATIONS COMMISSION

INTERFERENCE STATEMENT

This equipment has been tested and found to comply with the

limits for a Class B digital service, pursuant to Part 15 of the

FCC rules These limits are designed to provide reasonable

protection against harmful interference in a residential

installation Any changes or modifications made to this

equipment may void the user’s authority to operate this

equipment This equipment generates, uses, and can radiate

radio frequency energy 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

The device complies with Part 15 of the FCC Rules Operation

is subject to the following two conditions: (1) this device may

not cause harmful interference, and (2) this device must accept

any interference received, including interference that may cause

undesired operation

- 3 -

FCC Caution: Any changes or modifications not expressly

approved by the party responsible for compliance could void the

user's authority to operate this equipment

KCC Statement

RoHS

This product is RoHS compliant

- 4 -

US221A / US421A

User Manual

Online Registration

You can register your product at our online support center:

Online Support

International

Telephone Support

For telephone support, call this number:

International http://support.aten.com

Email Support support@aten.com

Online

Support

Technical Support http://support.aten.com

Troubleshooting

ocumentation

Software Updates

http://www.aten.com

International 886-2-8692-6959

China 86-400-810-0-810

Japan 81-3-5615-5811

Korea 82-2-467-6789

North America 1-888-999-ATEN ext 4988

1-949-428-1111

- 5 -

North America

Email Support support@aten-usa.com

Online

Technical

Support

Troubleshooting

ocumentation

Software

Updates

http://www.aten-usa.com/support

Telephone Support 1-888-999-ATEN ext 4988

1-949-428-1111

- 6 -

Package Contents

Check to make sure that all the components are in working order.

If you encounter any problem, please contact your dealer.

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 User Instructions*

Read this manual thoroughly and follow the installation and

operation procedures carefully to prevent any damage to the unit

or any connected devices.

*The product may be updated, with features and functions

added, improved or removed since the release of this manual.

For an up-to-date US221A / US421A documentation, visit http:/

/www.aten.com/global/en/

- 7 -

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 US221A / US421A has a new

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.

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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



LE indicators display port focus



Overcurrent protection



Bus-powered



Hot pluggable



Buzzer indicates switching between computers



Supports multifunction printers

- 9 -

System Requirements

Computers

The following equipment must be installed on each computer that

is to be connected to the system:



USB host controller

Cables



USB to USB cables to connect the computers to the

peripheral device.

Note: Only one USB Type A to USB Type B cable is provided

in the US221A / US421A package. You will need to

purchase an additional USB Type A to USB Type B

cables for each computer you wish to connect to the

US221A / US421A.

Operating Systems

Supported operating systems are shown in the table, below:

OS Version

Windows 2000, XP, 2003, 2008, Vista

Mac OS X 10.4.5, 10.5

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