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1.5ft (0.46m) USB to DB9 Serial RS232 Adapter Cable | Adapters and Couplers | Audio Video
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & 3ft. USB Extension Cable
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USB to RS232 Adapter / USB to RS232 Converter
USB to RS232 Serial Converter -- DataPro
17-101-912, USB to RS232-1 Serial Port Converter
4 Port Professional RS-232 USB 2.0 to Serial Adapter
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USB to RS-232 DB9 Serial Adapter/Converter Systembase Multi-1/USB RS232 | eBay
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USB 2.0 RS-232 Serial Adapter with LED Indicators
USB232 - 1-port USB to RS-232 Converter
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USB Serial Adapter – Windows 10 Compatible High-Speed RS232 adapter
