Specifications

Function

US221A

US421A

 

 

 

Computer Connections

2

4

 

 

 

 

Computer Selection

 

Pushbuttons, Software, Auto Switch

 

 

 

 

Connectors

 

Computer

2 x USB Type B

4 x USB Type B

 

 

 

 

 

 

 

Device

1 x USB Type A

 

 

 

 

LEDs

 

Device

1 (Orange)

 

 

 

 

 

 

 

Selected

2 (Green)

4 (Green)

 

 

 

 

 

Switches

 

2 x Pushbutton

4 x Pushbutton

 

 

 

 

Power Supply

 

USB Bus Powered

 

 

 

Power Consumption

 

DC5V, 2.5W

 

 

 

 

Environment

 

Humidity

0–80% RH, Non-condensing

 

 

 

 

 

 

Storage Temp.

-20–60ºC

 

 

 

 

 

 

Operating Temp.

5–40ºC

 

 

 

 

Physical

 

Housing

Plastic

Properties

 

 

 

 

 

Weight

54 g

97 g

 

 

 

 

 

 

 

 

 

Dimensions

7.20 x 6.60 x 2.50 cm

10.20 x 7.60 x 2.30

 

 

(L x W x H)

 

cm

 

 

 

 

 

Limited Warranty

IN NO EVENT SHALL THE DIRECT VENDOR'S LIABILITY EXCEED THE PRICE PAID FOR THE PRODUCT FROM THE DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT, DISK OR ITS DOCUMENTATION.

The direct vendor makes no warranty or representation, expressed, implied, or statutory with respect to the contents or use of this documentation, and specially disclaims its quality, performance, merchantability, or fitness for any particular purpose.

The direct vendor also reserves the right to revise or update the device or documentation without obligation to notify any individual or entity of such revisions, or update. For further inquires please contact your direct vendor.

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