Add four reliable, hot-swappable
serial ports using only one USB port. Quatech RS-232 serial adapters are among the most trusted in the industry, compatible with virtually all chip sets including Legacy.
Using serial devices via USB provides the advantage of being plug and play capable. The adapter enumerates itself as a COM port making the USB interface completely transparent to software. In addition, the adapter contains deep data FIFOs and use accelerated UART clock frequency to boost serial data transfer rates up to a velocious 460.8 Kbps. It's the fastest transfer speed available for USB serial adapters without making software changes.