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IOGEAR - GUC232A - USB to Serial Adapter
3ft USB to RS232 DB9 Serial Adapter Cable - M/M - BCI Imaging Supplies
USB to RS232 Serial Converter -- DataPro
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
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