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USB-303 (Ver.1.0) 

 

Precautions 

 

 

 

This product uses ordinary off-the-shelf electronic components, and 
is therefore inappropriate for use in applications that require special 
quality or reliability and are expected to protect human lives or 
prevent accidents, such as safety mechanisms in fields including 
space, aeronautics, medicine, and nuclear power. 

Do not be used underwater or in high-humidity environments. 

Do not be used in the presence of corrosive gases, combustible gases, 
or other flammable gases. 

Do not turn on power when circuit board surface is in contact with 
other metal. 

Do not apply voltage higher than rated voltage. 

 

 

 

 

 

This manual may be revised in the future without notice owing to 
improvements. 

All efforts have been made to produce the best manual possible, but 
if users notice an error or other problem, we ask that they notify us. 

Item 7 notwithstanding, HuMANDATA cannot be held liable for the 
consequences arising from use of this product. 

HuMANDATA cannot be held liable for consequences arising from 
using this product in a way different from the uses described herein, 
or from uses not shown herein. 

10 

This manual, circuit diagrams, sample circuits, and other content 
may not be copied, reproduced, or distributed without permission. 

11 

If the product emits smoke, catches fire, or becomes unusually hot, 
cut the power immediately. 

12 

Do not install the control cables or communication cables together 
with the main circuit lines or power cables. In such an environment, 
it may result in malfunction due to noise. 

13 

Be careful of static electricity. 

 

 
 

Do Not

 

 

Attention

 

Summary of Contents for USB-303

Page 1: ...HuMANDATA LTD 2 Port USB Isolator USB 303 User s Manual Ver 1 0...

Page 2: ......

Page 3: ...story 2 Introduction 2 1 Overview 3 2 Feature 4 3 Connection 5 4 Power Supply 5 5 Specifications 6 5 1 Product Specification 6 5 2 Optional Accessories 7 6 Additional Documentation and User Support 7...

Page 4: ......

Page 5: ...owing to improvements 7 All efforts have been made to produce the best manual possible but if users notice an error or other problem we ask that they notify us 8 Item 7 notwithstanding HuMANDATA cann...

Page 6: ...n Description Oct 5 2016 v1 0 Initial release Introduction Thank you very much for purchasing our product USB 303 is a USB 2 0 Full Speed 12Mbps and Low Speed 1 5Mbps compliant isolator that isolates...

Page 7: ...3 USB 303 Ver 1 0 1 Overview USB Host side Status LED Green Power Red Over Load USB Target side Power Input Positive Tip USB Connector Upstream USB Connector 2 Downstream Status LED 2...

Page 8: ...with 3000VDC Each of the two downstream ports are also isolated independently With USB 303 it can be expected to eliminate ground loops that can cause measurement errors and equipment from surges comm...

Page 9: ...t side connector to the host such as a personal computer and connect a USB peripheral device to the target side connector 4 Power Supply USB 303 is powered through a USB port Bus powered or an AC adap...

Page 10: ...mpliant Supports Full and Low Speed USB 1 1 compatible High Speed is not supported ESD protection Port number 2 ports USB Connector Host Standard Type B Female Target Standard Type A Female 2 Isolatio...

Page 11: ...PEN 003 MG USB series Attachment with neodymium magnet JAN 4937920801201 6 Additional Documentation and User Support The following documents and other supports are available at http www hdl co jp en f...

Page 12: ...s Manual Ver 1 0 Oct 5 2016 HuMANDATA LTD Address 1 2 10 2F Nakahozumi Ibaraki Osaka Japan ZIP 567 0034 Tel 81 72 620 2002 Japanese Fax 81 72 620 2003 Japanese English URL http www fa hdl co jp Japan...

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