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USB to RS232 Serial Converter Cable
69822 Goobay - USB to RS232 converter | D-Sub 9pin male,USB A plug; USB 2.0; USB/RS232 | TME - Electronic components
USB to RS-232 Adapter (35cm) - UC232A, ATEN Converters | ATEN Corporate Headquarters
USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
Amazon.com: EC Buying USB 2.0 to Serial 9-Pin RS232 Serial Adapter, DB-9 USB to Serial RS232 Converter Cable, USB 9-Pin Serial Cable, Serial to USB Adapter Support Windows 7/8/10/11/32/64/XP/RS232 to USB :
RS PRO RS232 USB A Male to DB-9 Male Converter Cable | RS
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific