USB : Overview    USB Is Like A Railroad  

Keeping to our railroad analogy, shortly after our company is formed (i.e., shortly after our USB Peripheral device is connected to the USB cable, is powered up, and performs some initialization), it applies for the an account with the railroad to send freight (data) to PC City (the PC).

It does so by submitting a set of specifications (a set of Descriptors) to the Freight Manager in PC City (the PC).


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