| 摘要 |
A plug to couple an external device to, and power the external device from, an information handling system includes first contacts conforming to a first industry standard. The first contacts include a first power contact adapted to conduct a first power signal from the information handling system to the external device. The plug also includes second contacts conforming to a second industry standard different from the first industry standard. The second contacts are designed to conduct no more than one second power signal from the information handling system to the external device. In a particular embodiment, the first contacts conform to a USB standard, and the second contacts conform to a non-USB standard.
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