Does the USB port pass through the DisplaPort signal?

USB-A to to DisplayPort adapter cables are now available, but the only thing standing in the way of using a mix of third-party solutions to connect the new USB-C Macbook to a DisplayPort external display is the lack of a splitter cable. In other words, you can connect to USB-A devices and DisplayPort-enabled displays from the single USB-C port, but you can't charge the laptop at the same time. If this accessory passes-through the DisplayPort signal to the USB-A port, then the Startech USB-A to DisplayPort adapter cable would enable simultaneous external display and charging.

USB-C Digital AV Multiport Adapter

USB-C Digital AV Multiport Adapter

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