Black Box IC833A USB 2.0 to RS485 4-Wire Converter - Terminal Block, 1-Port

The IC833A handles the serial side of an installation: Terminal Block, 1-Port. Interface: RS-232 or RS-485. Connectors are (1) USB Type-B (Female). Automatic configuration on Windows 98, ME, 2000, XP, and Vista systems. Powered from the USB interface.

Power: 5 VDC from USB interface. It measures 0.6-in. H x 2.3-in. W x 1.3-in. D (1.6 x 5.8 x 3.2-cm) and weighs < 0.5-lb. (< 0.23-kg).