EBCDIC TO ASCII Conversion through UNIX Command

Hi All ,
I have a mainframe file which contains the data in EBCDIC unreadable format.I have downloaded this raw unreadable file from mainframe system to windows in text format then I pushed to Unix system.Now I want to convert this file to ASCII readable format file in unix.Can anyone advise me how can I do that from EBCDIC(unreadable format) TO ASCII(readable format) file Conversion through Unix Command.Any suggestion in this regard will be highly appreciated.