Quatech DSU2-400 Serial interface cards/adapter

DSU2-400, USB 2.0, RS-232/422/485, up to 921.6 kbps You can now broaden the range of external peripherals used on your computer at higher speed rates, with High Speed USB 2.0 Serial Adapters. The USB 2.0 has more bandwidth that allows higher data rates on the serial ports and improved system efficiency.

The new High Speed USB Serial Adapter line gives your laptop or workstation the ability to communicate between a USB port and up to eight RS- 232, RS-422, or RS-485 serial peripherals. It adds the COM port(s) via its USB connection and is compatible with new and legacy RS-232 or RS- 232/422/485 devices. The USB Serial Adapters are the ideal solution for a variety of industries and applications including banking, retail and industrial automation where PCs have a significantly shorter lifecycle than the peripherals that use them.