Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232/DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
USB 2.0 RS-232 Serial Adapter with LED Indicators
PRO Single Port USB to Serial Adapter with Activity LED 3ft.
USB to Dual RS232 Adapter / Converter – CommFront
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
USB-RS232-PCBA FTDI | Mouser
RS232 to USB converter - Victron Energy
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
StarTech.com 1 Port USB to RS232 DB9 Serial Adapter Cable - M/M - ICUSB232V2 - Serial Cables - CDW.com
USB to RS-232 2-Port DB9 Serial Adapter/Converter Multi-2/USB RS232 – Envistia Mall
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
USB-RS232-WE-5000-BT_0.0 - FTDI
USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
StarTech.com USB to Serial RS232 Adapter Cable with COM Retention 1' - ICUSB232PRO - USB Adapters - CDW.com
USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters | StarTech.com
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
RS232 to USB Adapter Cable, 5-ft | Eaton
3' USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com Europe
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