>>-+-------------------------------------------------------------+-><
   |                     .-,---.                                 |   
   |                     V     |                                 |   
   '-CONVERT--(--+-PDSE(---dsn-+-)--+---------------------+-+--)-'   
                 |                  |          .-,---.    | |        
                 |                  |          V     |    | |        
                 |                  '-,PDS--(----dsn-+--)-' |        
                 |      .-,---.                             |        
                 |      V     |                             |        
                 '-PDS(---dsn-+-)--+----------------------+-'        
                                   |           .-,---.    |          
                                   |           V     |    |          
                                   '-,PDSE--(----dsn-+--)-'          

CONVERT(PDSE(dsn))

Specifies that the PDSs that are listed in the dsn be converted to PDSE

CONVERT(PDS(dsn))

Specifies that the PDSEs that are listed in the dsn be converted to PDS