Need extra COM, but don't have the ability to add PCI based Multiport Serial Cards? Look to our USB Converters for the solution. Aaxeon offers solutions for 1, 2, 4, and 7 port RS-232 to USB converters. All products support USB 1.1 and USB 2.0 interfaces with drivers for Windows and Linux.
USB to RS-232
Antaira USB To 4-Port RS-232 Industrial Converter with Surge and Isolation (UTS-404A-SI)
Part Number: UTS-404A-SI