Amazon.com: USB B Female to DB9 Male Serial Converter with 6ft USB A Male to USB B Male Cable : Electronics
USB-B to Serial Cable - RS485 RS422 DB9 | Eaton
3' USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
B&B Electronics 485USB9F-2W USB To 2 Wire USB Serial Conversion | eBay
The Model 4508 USB Switch Supports Connections between Multiple Hi-Speed USB 3.0 Devices
Ideal Vacuum | USB 2.0 Cable A-Male to B-Male for Serial Connection for IVP XGC-520 Dual Capacitance Manometer Gauge Controller to PC, Gold Contacts, 10 Ft.
Model Number USA19HS | Eaton
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
1 Port USB to RS232 DB9 Serial Adapter - Serial Cards & Adapters | StarTech.com
DriverGenius USB to RS232 Serial Adapter Cable - USB RS232 DB9 Adapter – DriverGenius - 一驱纵横
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
USB to Serial Adapter w/ Detachable USB - Serial Cards & Adapters | StarTech.com
How to Install FTDI Drivers - SparkFun Learn
CNKOO USB To RS232 Serial Adapter 1M USB To Serial Converter DB9 9 Pin Port RS232 Cable for PAD, Serial Modems, Router, GPS, Firmware Update - Walmart.com