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![Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics](https://m.media-amazon.com/images/I/41QyrK5-h6L._AC_.jpg "Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics")