StarTech.com 8 Port USB to RS232 Serial DB9 Adapter Hub ICUSB2328
Provides serial connectivity to systems lacking RS-232 serial ports in a convenient external hub form factor Easy plug and play installation with our USB Bus-powered adapter - requires no external power adapter or wall outlet Adds eight Straight-Through RS232 serial ports using USB Bus-powered - requires no external power adapter Easy Plug-and-Play installation Fully compliant with USB 11 specifications and compatible with USB 20