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Glossary
Quantum A-Series Tape Drives User’s Guide 82
DCM
The Data Control Module provides the path and guides for all
media motion inside the tape drive and to write data to and read
data from the media.
Device Driver A low-level (usually kernel-mode) operating system
component that enables a PC to communicate with peripheral
devices such as printers, CD-ROMs, and tape drives. Each kind
of device requires a different driver.
DHCP Dynamic Host Configuration Protocol – This is a protocol that
lets network administrators centrally manage and automate the
assignment of IP Addresses on the corporate network.
DLT Digital Linear Tape.
DLTIce Quantum’s firmware compliance management function of
DLTSage, which provides secure archival functionality to the
SDLT 600A tape drive and DLTtape II cartridges.
DLTSage Quantum’s suite of preventative maintenance diagnostic
software tools that enables users to more simply mange tape
storage environments.
DLZ Digital Lempel-Ziv 1 Algorithm is named after Abraham Lempel
and Jacob Ziv. It is a data compression technique used in all
SDLT tape drives.
E
EEC
European Economic Community.
EEPROM Electronically Erasable Programmable Read-Only Memory. An
integrated circuit memory chip that can store programs and data
in a non-volatile state. These devices store firmware in DLT and
SDLT tape drives, and can be erased and reprogrammed with
new data.
EIM The Electronic Interface Module provides the main control
function for the system and the interface from the system to the
host computer, library, or autoloader.
eMAM Enhanced Media Auxiliary Memory - The memory on a cartridge
associated with the file system table of contents.
EMC Electromagnetic Compatibility.
EMI Electromagnetic Interference.
EN EN standards are voluntary technical standards of the European
Union and European Economic Area.