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TUSB8020B: TUSB8020B Bus Powered Hub Shield connection.

Part Number: TUSB8020B

In the reference design TIDA-00287 , all shields are directly connected to ground. However, in the EVM TUSB8020BPHP, the shields are tied together, and also to ground using an RC filter.

If I am making what is essentially a usb powered hub (much like the TIDA-000287), which shield grounding scheme is recommended and why?

PS. The upstream port is connected to a battery-powered body-worn computer, and the downstream device is a camera.