USA-19HS PC/Mac/Linux compatible. Microsoft WHQL approved, supports upto 230 Kbps, detachable cable, status and activity LED, plug & play - appears as standard COM port, bus powered.
For use with all RS-232 serial devices including modems, graphics tablets, digital cameras, PDAs, GPS devices, cell phones, hand held scanners, point of sale devices, UPS devices, medical & scientific instrumentation and other serial devices.
Requirements:
Windows: an avaialable USB port; Windows 98/Me/2000/XP/Vista.
Macintosh: an available USP port; Mac OS 8.6 or greater; Mac OS X (10.2 or later).
See here fore details of linux support.