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Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
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USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
Appendix B. Server Serial Connector Pinouts
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