Glossary

C

C

The degree Celsius (°C) is a unit of temperature.

 

 

Cache

Specialized RAM used as a buffer between a fast CPU or I/O

 

 

 

channel and storage which has a relatively slow access time (for

 

 

 

example, cartridge or diskette), to avoid slowing down the

 

 

 

former.

 

 

Cartridge Tape cartridge. Super DLT tape II or SDLTtape 600A.

 

 

Cartridge Receiver At media insertion, the cartridge receiver assembly is

 

 

 

responsible for guiding the media into its operating position,

 

 

 

opening the door, unlocking the cartridge brakes, and securing

 

 

 

the media for operation. At media ejection, the cartridge receiver

 

 

 

assembly reverses the process and automatically ejects the

 

 

 

cartridge a fixed distance from the front of the tape drive.

 

 

CE

Council of Europe.

 

 

CFR

Code of Federal Regulations (United States).

 

 

Client

This could be a standard FTP client or the built-in FTP client

 

 

 

embedded in the SDLT 600A firmware.

 

 

CSA

Canadian Standards Association, also known as CSA

 

 

 

International.

 

 

CTM

Cartridge Tape Module. The main function of the CTM is to

 

 

 

provide the magnetic recording media used by the tape drive to

 

 

 

store customer information. The CTM also provides the

 

 

 

protective cartridge, which allows the media to be removed and

 

 

 

stored safely.

 

 

CUP

Code Update (a firmware update).

 

Data Compression A process that reduces the amount of storage space

 

D

 

 

 

required to hold a particular block of data. Data transfer speed

 

 

 

and total media capacity are affected by the data compression

 

 

 

achieved. In accordance with industry practice, a typical

 

 

 

compression ratio is 2:1 of data storage. Actual compression

 

 

 

ratios achieved depend on the redundancy of data files being

 

 

 

written.

 

 

dB

A Decibel is a logarithmic unit of sound intensity; 10 times the

 

 

 

logarithm of the ratio of the sound intensity to some reference

 

 

 

intensity.

 

 

DC

Direct Current is the continuous flow of electricity through a

 

 

 

conductor such as a wire from high to low potential.

Quantum A-Series Tape Drives User’s Guide

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Quantum Audio A-Series manual Degree Celsius C is a unit of temperature

A-Series specifications

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