IBM Tape Library Magstar 3494 - Manual (Page 29)

Figure 5 on page 8 shows the functional components of the storage frame, viewable
from the front:
1
Cartridge storage cells
Are located on the interior side of the front door and on the back wall of the
frame.
2
Rail system
The cartridge accessor is carried through the library on the rail system
installed in each frame. The rail system consists of two horizontal rails, one
at the top and one at the bottom of the frame.
Figure 4. Control Unit Frame Functional Components (Rear View)
Chapter 1. Introduction 7