DTECH DT-9000 Passive Bidirectional RS232 To RS485 Serial Communication Protocol Module Converter - Newegg.com
Amazon.com: WWZMDiB USB to RS485 RS232 Converter The Product can Support USB to RS232 and USB to RS485, but The Two Functions Cannot be Used at The Same time : Electronics
Installation and setup instruction Aurora Manager TL software and ABB PVI- USB-RS232_485 adapter
Installing USB Drivers for the PVI-USB-RS485_232 Converter to Enable Communication Between Power-One Aurora Inverters and Monitoring Software | PDF | Windows 7 | Microsoft Windows
Passive RS232 to RS485 Converter
Amazon.com: StarTech.com USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852) : Electronics
FT232RNL USB TO RS232/485/422/TTL Interface Converter, Industrial Isolation
USB-CON | RS232/RS485 to USB Converter - Tense Electronics