Digitus DA-70220 User manual
4 Port USB 2.0 Design Hub
User’s Manual
DA-70220 Rev. 1
2
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
3
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
V
Input AC frequency
50-60
Hz
Output voltage
DC, 5.0
V
Output current
2.4
A
Output power
12.0
W
Average active
efficiency
82.81
%
Efficiency at low load
(10 %)
80.52
%
No-load power
consumption
0.08
W
4
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).
5
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
6
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.
7
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
This manual suits for next models
1
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