USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
TRENDnet TU-S9 - serial adapter - USB - RS-232 - TU-S9 - USB Adapters - CDW.com
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN U.S.A.
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
6ft. USB 2.0 to RS-232 DB-9 Serial Adapter w/ 15kV ESD Protection & FTDI Chipset - Coolgear
StarTech.com USB C to Serial Adapter Cable 16in - COM Retention - USB Type-C to RS232 DB9 Converter - ICUSB232PROC - Serial Cables - CDW.com
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
RS232 to USB Adapter Cable, 5-ft | Eaton
Amazon.com: CableCreation USB to RS232 Male Adapter with PL2303 Chipset, USB to DB9 Serial Converter for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X 10.6 and Above,Black : Electronics
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner/Network Switches, USB to COM Port Adapter | www.shi.com