Usb Port Diagram
[thebestsolver.com]Universal Serial Bus (USB) is a specification to establish communication between devices and a host controller (usually personal computers), developed and invented by Ajay Bhatt while working for Intel. USB has effectively replaced a variety of interfaces such as serial and parallel ports.
|4||ID||none||permits distinction of A plug from B plug
* A plug: connected to Signal Ground
* B plug: not connected