Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
2-Port USB-A to DB9 Serial Adapter Cable, 6-ft. | Eaton
USB to DB9 RS-232 Adapter Cable - Arun Microelectronics
SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable, 6-Feet - YouTube
Amazon.co.jp: USB to DB9 RS232 Cable Converter, USB 2.0 to Serial Adapter Windows 10/8.1/8/7, Linux, Mac OS (3ft/1 m) and Compatible Prolific PL2303 Chipset, The Hexnuts Male : Computers
C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDW.com
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe