Startech USB to RS232 DB9 Serial Adapter
Add an RS232 serial port to your laptop or desktop computer through USB. The ICUSB232V2 1 Port USB to Serial Adapter converts a USB port into an RS232 DB9 serial port to connect to, monitor, and control a serial device.
Supporting data transfer rates up to 921.6 Kbps, the USB to serial cable is
$30.00
Buy from PLE Computers