USB2.0 required in addition to USB3.1?

April 23, 2020 18:46

I'm designing a custom computing PCB that two D415 or D435i cameras will be plugged into, and I will provide a USB 3.1 port dedicated to each RealSense. Are the USB 2.0 lines required to be present on these ports as well? As a test, I removed the USB 2.0 lines from a cable, and the camera seems to still be working fine as USB 3.1 in RealSense Viewer. Is there anything I might be missing, or is it safe to leave the USB 2.0 lines unconnected?

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MartyG

April 23, 2020 20:20
Others have tried cutting lines in the cable to remove USB 2.0. It apparently worked for them too.

https://electronics.stackexchange.com/questions/107669/usb3-with-fewer-wires

I would personally recommend leaving the cable alone though, as it is safest to adhere to standards that have been established and proven for many years.
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