Tripp Lite by Eaton U209-30N-IND USB to RS485/RS422 FTDI Serial Adapter Cable, 30 in.

FTDI USB to serial adapter with DB9 connector lets you connect RS422 and RS485 devices to your computer's USB port.

• Supports data transfer speeds up to 230 Kbps-double the speed of a built-in serial port
• Automatically reassigns COM values to each port to avoid additional configuration
• USB-powered, so no bulky or obtrusive external power supply is required
• Double shielding protects against EMI/RFI line noise that can distort or destroy data
• Compatible with Windows, Mac and Linux-works with most computers
• 3-year limited warranty