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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 

 

 

Summary of Contents for DA-70222

Page 1: ...7 Port USB 2 0 Design Hub User s Manual DA 70222 ...

Page 2: ...res 1 Compliant with both USB Universal Serial Bus Specification 2 0 2 Data Rate 1 5 12 480 Mbps and Revision 1 1 specification 3 Includes 1 upstream and several downstream USB ports depends on model 4 Plug and play 5 Over current detection and protection 6 Connects up to 127 USB devices 7 Support for following OS Windows 8 7 Vista XP 2000 98SE and MacOS 10 x or higher System requirements 1 Pentiu...

Page 3: ...istration number and address SHENZHEN SHI YING YUAN ELECTRONICS CO LTD floor 5 7 of West Building 8 Hongye industry park Lezhujiao resident squad Huangmabu comminity Xixiang street Bao an district Shenzhen city GUANGDONG CHINA Model identifier SAW30A 050 3500G Input voltage AC 100 240 V Input AC frequency 50 60 Hz Output voltage DC 5 0 V Output current 3 5 A Output power 17 5 W Average active effi...

Page 4: ...all 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 12M...

Page 5: ...er 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 ...

Page 6: ... 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 ...

Page 7: ...roperly 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 re...

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