本程序主要通过编程来获取modom的基本信息，对初学者有借鉴意义。-This procedure mainly through modom programming to obtain basic information for beginners have referential significance.

查看插入电脑中的modem的相信信息，有助于学习底层知识-See the modem into the computer in the believe that the information to help to learn the underlying knowledge