QR Code RS232 to Wiegand Converter Default baud rate: 9600. The output of the scanning device must be an RS232 interface with communication parameters set to 9600/n/8/1 or 115200/n/8/1. Default output: Wiegand کی 26 / Wiegand کی 34. QR Code USB to Wiegand Converter The USB-Wiegand converter directly uses the 12V power supply of the access controller, and the USB scanner is connected to …