It's CC2/VCONN used for eMarker. That pin may be terminated inside the cable and...

		numpad0 62 days ago \| parent \| context \| favorite \| on: A macOS terminal command that tells you if your US... It's CC2/VCONN used for eMarker. That pin may be terminated inside the cable and used to power eMarker chip. It can also be used for orientation sensing. I think.