2 

     2 

     3 * USB to COM chip.

     3 * USB to COM chip.

     4 

     4 

     5 ** PL-2303.

     5 ** PL-2303.

     6 

     6 

     7   http://www.prolific.com.tw/eng/downloads.asp?ID=23

     9   http://www.prolific.com.tw/eng/downloads.asp?ID=23

     8                 datasheet download page

    10                 datasheet download page

     9   http://www.prolific.com.tw/eng/downloads.asp?id=31

    11   http://www.prolific.com.tw/eng/downloads.asp?id=31

    10                 driver download page

    12                 driver download page

    11 

    13