Drive Expansion Module (Dem); Base Module Rear View - Oracle StorageTek SL3000 Manual

Figure 1–2 Base Module Rear View
Figure Legend:
Tape drives
1.
Electronics module
2.
Drive DC power supplies
3.
Ethernet switches (optional)
4.
Power distribution units
5.

Drive Expansion Module (DEM)

The DEM is attached to the left side of the Base module (when viewed from the front
of the library). The DEM expands the number of tape drives and provides additional
cartridge storage. There can be only one DEM per library.
DEM Configuration Options
153 to 522 cartridge capacity (see
■
8 (standard), 16, 24, or 32 drive slots.
■
Perforated window (standard), window storage array, or operator panel.
■
CAP (optional), See
■
DEM Components
The front of the DEM contains a service door, optional CAP, and a perforated window
or optional operator panel (if not already in the Base module) or window storage
array. The rear of the DEM contains tape drives, PDUs, DC power supplies, and two
1-unit rack spaces.
"Calculating Physical Capacity"
"Rotational Cartridge Access Port (CAP)"
Library Modules
on page 1-17).
on page 1-7.
Library Overview 1-3