ISO/IEC 16382:2000
[Current]
Information technology — Data interchange on 12,7 mm 208-track magnetic tape cartridges — DLT 6 format
...During the loading process the tape reel is unlocked and the position of the cartridge within the drive is fixed by elements of
the drive engaging with corresponding elements of the case...
...A cam of the drive raises this lock in order to unlock the door which shall be unlocked when the
edge is raised by 1,0 mm min...
