A serial port is a general purpose communications port that transfers data one bit at a time (i.e., serially). Computer serial ports are defined by the RS232C standard. Typically, com1 corresponds to /dev/ttyS0, com2 to /dev/ttyS1.
Please enable JavaScript to pass antispam protection!Here are the instructions how to enable JavaScript in your web browser http://www.enable-javascript.com.Antispam by CleanTalk.