Black Box DB9 Mini Converter (USB to Serial) - serial adapter - RS-485

The USB to RS485 four wire converter allows you to connect a non-USB RS485 4-wire Terminal Block device to your USB bus. Automatic configuration on Windows 98 ME 2000 XP and Vista systems. Powered from the USB interface. Includes 3-ft. (0.9 m) USB cable. USB is the connectivity standard for today's PCs replacing familiar serial ports. However many commercial and industrial devices still use RS-232 RS-422 or RS-485 interfaces. To connect these devices to modern PCs you need simple and reliable converters. The Black Box Mini USB-to-Serial Converter offer USB-to-serial conversion in a space saving package. Simply plug the converter into an available USB port on your computer or USB hub and install the drivers supplied on CD ROM. The serial device will show up as an additional COM port in the Windows Device Manager. RS-485 (two- and four-wire)Support TDA TDB RDA RDB and GND. Baud rates up to 921 Kbps. Use on RS-485 2-wire or RS-422/485 4-wire networks. Support Send Data Control (SDC). RS-232Full handshake support (TD RD RTS CTS DTR DSR DCD RI GND). Baud rates up to 460 Kbps.