Digitus DA-70220 Manuale utente

4 Port USB 2.0 Design Hub

User’s Manual

DA-70220 Rev. 1

Introduction:

Thank you for purchasing our USB 2.0 Hub. This easy plug

and play external device is a full featured Universal Serial

Bus Hub. It allows your computer to connect to USB

interfaces joysticks, modems, digital speakers, printers,

digital cameras, monitors, and many other USB devices.

Features:

1. Compliant with both USB (Universal Serial Bus)

Specification 2.0 (Data Rate 1.5/ 12/ 480 Mbps)

and Revision 1.1 specification.

2. Includes 1 upstream and several downstream USB

ports (depends on model).

3. Plug and play.

4. Over-current detection and protection.

5. Connects up to 127 USB devices.

6. Support for following OS: Windows 7, Vista, XP, 2000,

98SE and MacOS 10.x or higher

System requirements:

1. Pentium 300MHz or similar, with at least 64MB RAM

or better system

2. Available USB-port at your system

Specification:

Ports One upstream port and several downstream

ports, depending on the model.

Compliance CE emissions and FCC regulations for

home/office use

Power Self Power: 5V

Information published

Value and precision

Unit

Manufacturer’s name

or trade mark,

commercial registration

number and address

Dongguan Tyjin

Electronics Co., Ltd.

Room 101, Building 2,

No. 7 Keyan Road,

Wulian, Fenggang Town,

Dongguan City,

Guangdong Province

Model identifier

C-024-12

Input voltage

AC, 100-240

Input AC frequency

50-60

Output voltage

DC, 5.0

Output current

2.4

Output power

12.0

Average active

efficiency

82.81

Efficiency at low load

(10 %)

80.52

No-load power

consumption

0.08

Hardware Installation

1. Turn on your PC and boot fully.

2. Plug the Mini-type connector into the upstream port

3. Plug the A-type connector into a computer or USB hub

downstream port

4. Your OS will install the Hub automatically or follow the

instructions of your OS.

5. After fully installation you can connect USB devices or

hubs to the hub’s downstream ports.

Important Note:

The Hub must be connected to a USB 2.0-compliant host in

order to function in high-speed mode (480Mbps data rate).

If the Hub is connected to a USB 1.1-compliant host, it will

operate only in low-speed or full-speed mode

(1.5Mbps/12Mbps).

1. Notebook

2. Power adapter

3. Printer

4. USB stick

5. HDD

6. Scanner

Safety Instructions

Always read the safety instructions carefully Keep this

user’s manual for future reference Keep this equipment

away from humidity.

If any of the following situation arises, get the equipment

checked by a service technician:

•The equipment has been exposed to moisture

•The equipment has been dropped and damaged

•The equipment has obvious sign of breakage

•The equipment has not working well or you cannot get it

work according to this user’s manual

Trouble Shooting

Q1: Can I connect or disconnect devices while the

computer is powered?

A1: Yes, you can connect or disconnect any USB cable

or devices, because USB is supporting Plug & Play

and Hot-Plug.

Q2: Can I use my old USB 1.1 devices with the USB2.0 hub?

A2: Yes, you can. USB 2.0 is downward compatible to

USB 1.1, but please note, you can use only Low-

and Full speed (1.5 / 12Mbps) with these units

Q3: Can I use USB 1.1 cable to connect the hub and

devices?

A3: Yes, you can, but it may cause connection

problems by connecting USB 2.0 high speed

peripherals. Therefore it is recommended to use

only certified USB 2.0 cables.

Q4: After successful installation of the hub and connecting

external USB devices, some of the devices don´t seem

to work. – What should I do?

A4.1: Please check all connections and try again, when

you are sure the connections are correct.

A4.2: If you did not connect any power supply to the

hub, connect an external one and try again.

Make sure it works properly.

A4.3: If you have an external power adapter that

comes with your external USB device, connect

the power adaptor to the device and power on

the device. Check also the correct driver

installation of your device in your operating

system.

Hereby Assmann Electronic GmbH, declares that the Declaration of Conformity is

part of the shipping content. If the Declaration of Conformity is missing, you can

request it by post under the below mentioned manufacturer address.

www.assmann.com

Assmann Electronic GmbH

Auf dem Schüffel 3

58513 Lüdenscheid

Germany

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