
Chapter 2: Description
Expansion Modules
18 Scalar i6000 Planning Guide
Expansion Modules
Expansion modules enable the library to expand by adding space for
tape drives, an I/E station, and storage. Each expansion module from 96
to 780 LTO cartridge slots depending on the number of tape drives
installed and whether an I/E station is installed. See
Figure on page 21
for location information.
Quantum offers three different expansion modules (EMs) used with the
Scalar i6000:
• Drive Ready Expansion Module (DREM): This module is required
when drives will be installed into the module. It has the power and
network components needed to support tape drives. The DREM
supports up to 24 tape drives and up to 456 cartridge slots, but the
slots are reduced when drives or an I/E station are installed in the
module.
A new Series 3 DREM (DREM3) module was introduced with the
i12.2.1 code base. DREM3 modules installed in libraries with gen2
robots, gen2 electronics and running 12.2.1 or higher code will
support up to 24 tape drives.
• Storage Expansion Module (SEM): This module is used when
drives will not be installed in the module and high-density is not
needed. While the SEM does not support drives, it can be field
upgraded to a DREM if drives are needed in the future. The SEM
supports up to 456 cartridge slots, but the slots are reduced when
an I/E station is installed in the module.
A new Series 3 SEM (SEM3) module was introduced with the i12.2.1
code base. SEM3 modules can be field converted to a DREM3.
• High-Density Expansion Module (HDEM): This module is used
when it is important to minimize the floor space. The HDEM
supports up to 780 cartridge slots, but does not support drives. The
slots are reduced when an I/E station is installed in the module.
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