Universal serial bus interfaces for data and power - Part 4: Universal Serial Bus Cables and Connectors Class Document, Revision 2.0 (IEC 62680-4:2013); English version EN 62680-4:2014— 43 стр.
Universal Serial Bus interfaces for data and power - Part 4: Universal Serial Bus Cables and Connectors Class Document (IEC 100/1984/CDV:2012); English version FprEN 62680-4:2012