解决ubuntu下面putty不能连接RS232串口 : http://blog.csdn.net/myf408/article/details/8953809
Ubuntu设置RS-232串口登陆终端(译文,节选): http://www.mamicode.com/info-detail-578643.html
原文地址: http://2stech.ca/index.php/linux/linuxtutotials/tutorials/207-ubuntu-serial-console-login
Ubuntu linux中怎么查看自己的串口连接情况 : http://blog.csdn.net/mybelief321/article/details/8987658/