Wiegand-to-RS232 is Bidirectional converter and used to enabling direct connect of the access control card reader to PC. Wiegand-to-RS232 is Bidirectional converter , The converter can automatically convert Wiegand input from 3-bit up to 42-bit to a formatted ASCII string. When the formatted ASCII string is used asinput to the RS232 port of another MA1405 unit, the formatted ASCII string is ...