USB TO 1 port RS422/RS485 Serial Adapter, DB9 connector

ES-U-2001B adds a Windows serial Com port via it's USB connection and is compatible with new & legacy RS422 / RS485 devices. ES-U-2001B features a full set of RS422 / RS485 data and control signals (TX-, TX+, RX+, RX-, GND, RTS-, RTS+, CTS+, CTS-) on it's DB9 male connector. ES-U-2001B has an internal 128 byte transmit buffer FIFO and a 384 byte receive buffer FIFO. It supports data transfer rates of up to 1 Mbps. ES-U-2001 takes it's power from the USB bus. ES-U-2001B comes with compatible drivers for all current Windows, Mac and Linux operating systems.