Interface Cards

StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention (ICUSB422) Add an RS422 or RS485 serial port to your system through USB; features COM port retention 6 feet professional RS422/485 USB serial cable adapter with COM retention USB serial adapter / USB to RS232 serial adapter / USB to RS485 serial adapter / USB... StarTech.com 6 ft Professional RS422/485 USB Serial Cable Adapter w/ COM Retention (ICUSB422)