Dual port USB to RS485 / RS422 converter

This high-speed dual port USB to RS485 / RS422 converter can connect two serial RS485 or RS422 serial device to your PC at the same time.

USB TO RS422/RS485 ADAPTERS (FULL SPEED) — Connective Peripherals

USB-B to Serial Cable - RS485 RS422 DB9

USB to Isolated RS485 / RS422 Adapter - Uvitron

USB to 2-Port Software-Configurable DB9 Serial Interface Embedded

USB To RS485/RS422 Isolated Converter Bidirectional

RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters

USB-i485 - Isolated USB to RS485/RS422 Converter

USB TO RS422/RS485 ADAPTERS (FULL SPEED) — Connective Peripherals

Systembase Multi-2/USB to RS-422/485 2-Port DB9 Serial Converter

USB to RS-485 / RS-422 Converter contains an FTDI Chip with terminals photoelectric interface can convert the single ended USB signal into difference RS-422 or RS-485 signal. The converter includes Transient Voltage Suppressor technology!.

GearMo Mini USB to RS485/RS422 Converter FTDI Chip with Screw Terminals