Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black : Electronics
2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.
USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable - Sabrent
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Europe
Rs232-USB converter – BEL Engineering
Accessories - Mass Flow Online
USB to Dual RS232 Adapter / Converter – CommFront
Amazon.com: StarTech.com 3ft USB to RS232 DB9 Serial Adapter Cable - Up to 1 Mbps USB to Serial Converter - M/M USB to VGA Adapter (ICUSB232SM3) , Black : Electronics
Industrial Isolated Multi-Bus Converter, USB / RS232 / RS485 / TTL Communication | Multibus Converter
USB 2.0 to RS232 Converter Cable, USB Type A Male to DB9 Male, PVC (Polyvinyl Chloride), 1.5-Meter
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Germany
RS232 to USB Adapter - ATC-810 – Grid Connect
FT232RNL USB TO RS232/485/422/TTL Interface Converter, Industrial Isolation
POINTERTECK USA 9 Pin Male to USB RS232 Serial Converter Adapter Cable for Windows 10 - Walmart.com
USB/Serial Converter [FT232RL] : ID 18 : Adafruit Industries, Unique & fun DIY electronics and kits
USB to RS232 Adapters (FULL SPEED) — Connective Peripherals - Global Store
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
4 Port Professional RS-232 USB 2.0 to Serial Adapter
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB-SERIAL) : Electronics
Amazon.com: USB to RS232 Converter Golden Tulip-1 RS232/USB : Electronics
USB 2.0 to RS232 COM Port Computer Converter Adapter Cable 9 Pin Serial DB25 DB9 | eBay