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CAC Smart Card Reader - DOD Military USB Common Access Card Adapter - Military/ID Card/IC Bank Chip Card Reader, USB Smart Card Writer - Compatible with Windows XP/Vista/8/10, Mac OS 10.6-10.14 -
![connector - Why do some USB Type B cables have an ID pinout but others have a DGND pinout, how do I tell the difference between them without ripping it apart? - connector - Why do some USB Type B cables have an ID pinout but others have a DGND pinout, how do I tell the difference between them without ripping it apart? -](https://i.stack.imgur.com/GOPuU.jpg)
connector - Why do some USB Type B cables have an ID pinout but others have a DGND pinout, how do I tell the difference between them without ripping it apart? -
![Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange Why does micro USB 2.0 have 5 pins, when the A-type only has 4? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/sfE9Y.gif)