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Manual
Startup and Application
USB-Isolator
valid for:
#33003 USB-Isolator 2kV HS
Release 07/2023

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Table of Contents
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Summary of Contents for W&T 33003

  • Page 1 Manual Startup and Application USB-Isolator valid for: #33003 USB-Isolator 2kV HS Release 07/2023...
  • Page 2 © 07/2023 by Wiesemann und Theis GmbH Subject to errors and changes: Since we can make mistakes, none of our statements should be used without checking. Please let us know of any mistakes or misunderstandings you are aware of, so that we can recognize and eliminate them quickly.
  • Page 3: Table Of Contents

    Symbols on the product .............5 2. Safety Instructions ...........6 Intended Use ................6 Electrical safety ................6 EMC ....................7 3. Introduction ............8 4. USB Isolator 2kV HS, #33003 ......9 Function..................9 Supply voltage ................9 Display elements ..............10 Wiring example ................10 Technical data ................11...
  • Page 4: Legal Notices

    Safety Instructions 1. Legal notices Warning notice system This manual contains notices that must be observed for your personal safety as well as to prevent damage to equipment. The notices are emphasized using a warning sign. Depending on the hazard level the warning notices are shown in decreasing severity as follows: DANGER Indicates a hazard which results in death or severe injury if no...
  • Page 5: Qualified Personnel

    Safety Instructions Qualified personnel The product described in this manual may be installed and placed in operation only by personnel who are qualified for the respective task. The documentation associated with the respective task must be followed, especially the safety and warning notices contained therein.
  • Page 6: Safety Instructions

    Safety Instructions 2. Safety Instructions Intended Use The USB Isolator 2 kV HS manufactured by Wiesemann & Theis galvanically isolates Low-, Full- and High-speed USB connections with an isolation voltage of at least 2,000 V. The isolator prevents compensating currents from flowing over the USB line due to potential differences between the connected devices.
  • Page 7: Emc

    �� Declarations of conformity complete Declarations Conformity vices described in the manual can be found on the corres- ponding datasheet page on the W&T homepage: http://www.wut.de/33003 Subject to error and alteration...
  • Page 8: Introduction

    Introduction 3. Introduction USB interfaces in stationary computers unfortunately have the draw- back of having no galvanic isolation for the signal lines. In many applications in the consumer world this limitation is irre- levant, since the USB devices connected to the PC are generally supplied through the bus and do not have any reference to a second ground or to the earth conductor.
  • Page 9: Usb Isolator 2Kv Hs, #33003

    USB connections. The isolator is simply inserted into the existing USB connection and powered by an external power supply. The isolator of type #33003 isolates Low-, Full- and HighSpeed USB connection galvanically with an isolation voltage of at least 2,000 V The bus speed is detected fully automatically.
  • Page 10: Display Elements

    #33003 Display elements The isolator features two green LEDs for indicating the correct supply voltage for the isolator. The Power IN LED indicates correct power for the upstream side from the USB host or hub, whereas the Power OUT LED indicates the correct power supply of the downstream side.
  • Page 11: Technical Data

    #33003 Technical data Isolation voltage: min. 2,000 V DC USB speed: High-Speed (480 Mbit/s) Full-Speed (12 Mbit/s), Low-Speed (1.5 Mbit/s) Power supply: Upstream-Port: USB supplied Downstream-Port: 5 V DC using included power supply Current draw: Upstream-Port: max. 100 mA Downstream-Port: max.
  • Page 12 Wiesemann & Theis GmbH Porschestraße 12 D-42279 Wuppertal Mail info@wut.de www.wut.de Tel. +49 (0)202 2680-110 +49 (0)202 2680-265...

Table of Contents