Quantum 1200 Series DAT Autochanger Manual de usuario Pagina 134

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Glossary
SDLT 600 Product Manual 118
Differential
A term referring to the electrical characteristics of the signal
used on the SCSI bus interface. Differential signals minimize the effect of
common mode signal noise and allow the SCSI bus to operate reliably
over greater distances at a higher speed.
DLT Digital Linear Tape.
DLTIce Quantum’s firmware compliance management function of
DLTSage, which provides secure archival functionality to the tape drive
and tape 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.
EMC Electromagnetic Compatibility.
EMI Electromagnetic Interference.
EN EN standards are voluntary technical standards of the European
Union and European Economic Area.
Encoding (n.) Characters (or bytes) of information converted to magnetic
patterns on the media. (v.) The process of converting to the desired
pattern.
EOD End of Data. Location on media where the last session stopped.
EOM or EOT End of Media or End of Tape. Logical EOM allows space to
complete a write operation; physical EOM signifies that the media is
completely used.
Erase The removal of data from media.
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