Taskit 103110 Data gateway 1 pc(s)

This module is an interface converter from RS232 to RS422 or RS485. Integrated DIP switches enables you to switch the terminating resistors or between RS422 and RS485 operation mode. Power can be supplied by various means and the module adjusts automatically as needed. For example, the converter can be powered by the control lines of the RS23 side.

Price: £ 55.99 from Conrad Electronic