The following MRU example ejects a cartridge from slot 20 of
    a TL820 Automated Tape Library to the outport:

    $ ROBOT EJECT SLOT 20 PORT 1 ROBOT $1$DUA0

    The following example ejects a cartridge from the PTM of a TL820
    Automated Tape Library to the outport:

    $ ROBOT EJECT PORT 1 ROBOT $1$DUA0