From Waveshare Wiki
Jump to: navigation, search

Industrial Grade USB HUB, Extending 4x USB 2.0 Ports, Switchable Dual Hosts





Industrial Grade USB HUB, Extending 4 x USB 2.0 Ports, Switchable Dual Hosts.


  • 4 x extended USB ports, switchable two inputs, sharing USB devices for two hosts.
  • Industrial grade HUB chip.
  • ESD protection for each USB port, preventing electric surge damage and data loss.
  • Over-voltage protection, effectively preventing other high-voltage power inputs from damaging the connected devices.
  • Multiple protection circuits: over-voltage, over-current, short circuit, over-temperature, reverse current, under-voltage lock-out, 8KV ESD protection, filtering protection, etc.
  • Industrial grade metal case, rugged & durable, with mounting holes for easy installation.

Hardware Connection

  • Connect a 5V power adapter to the device, the inside protective circuit will cut off the power if the input voltage is too high.
  • Four USB output ports, support up to 1.2A current. The short-circuit protection is activated if the current is over 1.2A and you need to remove the device to restore it.
  • Working temperature range: -40°C ~ 85°C (No condensate).
  • The LED1 ~ LED4 are the indicators of USB ports, light on if the USB device is connected and success to be enumerated.
  • PWR is the power indicator.



  1. Please check if you have connected the correct power adapter.
  2. Check whether the USB device was shorted.
  3. Check the USB device first at another PC and check if the related driver was installed.



Technical Support

If you need technical support or have any feedback/review, please click the Submit Now button to submit a ticket, Our support team will check and reply to you within 1 to 2 working days. Please be patient as we make every effort to help you to resolve the issue.
Working Time: 9 AM - 6 AM GMT+8 (Monday to Friday)