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Ultra ULT40315 USB to RS232/DB-9 Serial Adapter - 2ft/.6m Extension Cable, 1Mbps, Thumbscrews at TigerDirect.com
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USB to RS232 Adapter with PL2303 Chip (3-Pack), CableCreation 3 Feet Gold Plated DB9 Male Serial Converter Cable for Windows 10, 8.1, 8,7, Vista, XP, Linux, macOS, Black : Electronics
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