Plug 1 stop from the serial cable into the console port (also known as a serial port or DB9 RS232C asynchronous serial port) with the RouterBOARD and one other close in your Personal computer (which ideally runs Home windows or Linux). You can also make use of a USB-Serial adapter. https://winboxdownload00998.atualblog.com/32456184/winbox-things-to-know-before-you-buy