Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
4 Port Professional RS-232 USB 2.0 to Serial Adapter
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
StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered - Walmart.com
Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Chipset) – Plugable Technologies
Tera Grand USB 2.0 to RS232 Serial DB9 Adapter USB2-RS232WN-06
Usb Serial Prolific | 9 Pin Serial Cable | Pin Cable Adapter | Usb Adapter Cable - Pc Hardware Cables & Adapters - Aliexpress
USB-RS232-WE-5000-BT_0.0 - FTDI
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
USB to Serial adapter for the FLEX-6000 series – FlexRadio