Alphagrip AG5T Benutzerhandbuch

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AlphaGrip AG5T(SKR-4300UT) Keyboard with Track-ball

1.General Specification

1.1

USB Standard

The USB keyboard is a bus powered compound device that has an external USB downstream HUB port and an

embedded USB composite function device. It is complied with USB standard version 1.1 and HID standard version

1.1. The USB transmission speed for the embedded USB HID keyboard and HID Mouse are 1.5Mbps, which is low

speed USB. The USB related spec is available on the web page http://www.usb.org/

1.2

System requirements

The followings are the requirements for using the USB HUB and embedded Keyboard and Mouse.

1. An USB Downstream port with "A" type connector. The USB Downstream port must have capable to

supply 500mA of VCC current.

2. Operating system with USB compliant device driver and HID device support. (Windows 98 Second

Edition /ME/2000/XP or lather version is recommended). Note: The Windows 98 Second Edition

/ME/2000 and Windows XP are registered trademark of Microsoft Corporation.

1.3

Electrical Specification

Connector

USB speed

Operating voltage range

Operating current

Operating temperature

Storage temperature

Operating humidity

Storage humidity

a "B" type connector for USB up stream port and a

"A" type connector for USB down stream port.

Low speed (1.5MBPS) for embedded Function,

Full speed (12MBPS) for integrated USB HUB

4.5~5.25V

Max 500mA

0 ~ 40℃

-40 ~ 60℃

0~90% RH non-condensing

0~95% RH non-condensing