This is the text description of the syntax diagram for the RMAN deviceconf construct.

[AUXILIARY] CHANNEL [integer] DEVICE TYPE [=] deviceSpecifier {allocOperandList | CLEAR} | DEFAULT DEVICE TYPE {CLEAR | TO deviceSpecifier} | DEVICE TYPE [=] deviceSpecifier {CLEAR | {BACKUP TYPE TO {[COMPRESSED] BACKUPSET | COPY} | PARALLELISM integer} [ {BACKUP TYPE TO {[COMPRESSED] BACKUPSET | COPY} | PARALLELISM integer}]...}

Elements in the diagram are described in the discussion that follows the diagram.