StarTech.com 6ft (1.8m) 1 Port Professional RS422/485 USB Serial Cable Adapter with COM Retention, to RS422 TAA

Amazon

MULTI-USE FUNCTIONALITY: This versatile USB to serial RS232 adapter is perfect for a range of applications, from digital signage to connecting point-of-sale systems and barcode scanners CUSTOMIZABLE SOLUTION: This USB serial hub features an FTDI chipset, making it highly customizable and compatible, and the ideal solution for any setup COMPACT DESIGN: Designed with a small form factor, this serial RS422/485 converter is USB powered and requires no bulky power adapters or an outlet EASY INSTALLATION: This serial adapter ensures easy installation and operation with COM port retention that provides robust serial connectivity for legacy devices TECH SPECS: 6 feet (1.8 meters); FTDI FT232RL Chipset; Max Baud Rate: 921.6 Kbps; 256 Bytes FIFO; None/Odd/Even Parity Modes; 7 or 8 Data Bits; 1 or 2 Stop bits; TAA Compliant

Zoro Tools

The ICUSB422 6ft Professional RS422/485 USB Serial Cable Adapter with COM Port Retention lets you connect RS422 or RS485 serial devices to your USB-enabled computer. The adapter features a 9-pin (DB9) male serial connector as well as dipswitch controls for easy port configuration, and requires minimal software. The serial adapter is USB-powered, eliminating the aggravation of requiring an external power adapter. With COM port retention, assigned port settings are saved, so you can disconnect and reconnect the adapter with virtually no configuration required on the host computer. The ICUSB422 is backed by a StarTech.com 2-year warranty and free lifetime technical support.