ZyXEL Communications NSA-220 Series Quick Start Manual page 8

6. Slide the tray back into the disk bay. Make sure the screw hole is at the
top. Push the tray in all the way so the screw hole at the top is flush with
the internal frame.
7. Put the disk tray retaining screw back in.
8. Repeat steps
8
3 to 7 for a second hard drive if you have one.
ENGLISH