The Keyspan USA19HS is a USB-A to serial (RS-232) adapter for Mac and PC computers. It is meant for connecting legacy serial/RS-232 devices with nine-pin DE-9 connectors to current computers having only USB ports.
Throughput
Device communications at up to 230 Kbps
System Requirements
Windows 98/Me/2000/XP
Mac OS 8.6 or greater
Mac OS 8.6 or greater
UPC: 672603000413