Drive Expansion Module; Configuration Options; Components; Dem Rear View - Oracle StorageTek SL3000 System Assurance Manual

Power distribution units
5.

Drive Expansion Module

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.

Configuration Options

The physical capacity varies from 153 to 522 cartridge slots (see
Configuration options include:
8 (standard), 16, 24, or 32 drive slots
■
Perforated window (standard), window storage array, or operator panel
■
CAP (optional)
■

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.
Figure 2–3 DEM Rear View
Figure Legend:
Tape drives
1.
Drive DC power supplies
2.
Ethernet switches (optional)
3.
Library Modules
Chapter 4, "Capacity").
Library Modules and Hardware 2-3