FUJITSU MCM3064AP - Manual (Page 53)

3.2 Mounting Requirements
C156-E227-01EN 3-9
3.2.2 Installation direction
Figure 3.4 shows the permissible installation directions for the optical disk drive.
The mounting angle tolerance must be within -5( to 10( relative to the horizontal
plane.
(-) shows that the cartridge insertion slot faces downward.
Figure 3.4 Installation directions
Horizontal
Vertical
(Two orientations)
Disk insertion slot Eject button/Busy LED
Manual eject hole