How To Ground Usb Ports. One USB cable connects the media hub to the Accessory Protocol Interface Module APIM. These pins a redundant.

Male USB port on one end goes into your computer - electrical plug connects to a properly grounded outlet - and on the other end of the adapter is a female USB 30. At some point your digital ground must connect to your shield ground. I think the answer is the USB requires a common ground from Host to Device and for the special situations where ground must be isolated between these pieces of.
Getting Started on a USB Electrical Outlet.
Using a USB port that shares its bus with another device Sometimes this symptom can be the result of the USB port being used for audio sharing its internal bus with a either device built into your computer ie. Hence it is no longer necessary to follow the DIY steps below to create your own. What if the USB Device is self-powered and does not share ground with the USB Host. How to Ground a Device via the USB port.

