The UT232R-500 provides a simple method of adapting legacy serial devices with RS232 interfaces to modern USB ports. The adapter contains a small
USB to RS232 Adapter / Converter – CommFront
3ft USB to Serial Adapter Cable, DB9
UOTEK 1.5M USB to RS-232 Converter RS232 Conversion Cable USB2.0 Serial 9-Pin COM Adapter Line DB9 Connector UT-883 - AliExpress
RS232 Converter, USB-A Male, RS232, Nickel Plated, 0.90 m, Round, PVC, Black
Unitek Y-105 USB-A Male to RS232 Serial Male Adapter 1.5m
UGREEN 6ft USB to Serial Adapter, Serial to USB Adapter DB9 Male 9 Pin with PL2303 Chipset, PVC Jacket, RS232 to USB Cable for Windows 11 10 8.1 8 7 XP
USB 2.0 to RS232 Converter Cable, USB Type A Male to DB9 Male, PVC (Polyvinyl Chloride), 1.5-Meter
FTDI US232R-500-BULK USB Cables/IEEE 1394 Cables USB to RS232 Embeded Converter w/LEDs, 5m : Electronics
EATON CORPORATION TRIPP LITE RS232 to USB Adapter Cable with COM Retention ( USB-A to DB9 M/M), FTDI, 5 ft 1.5M - U209-005-COM - /en
Lynx Astro FTDI USB to Serial Adapter for Celestron Handsets (5m)