Quantum DLT 7 Manual descargar pdf (Pagina 168)

Glossary

DLT-S4 Product Manual 150

Positive Engagement Buckling Mechanism

A highly robust, solidly

engineered media leader-buckling mechanism for heavy-duty-cycle

automated environments.

POST Power-on Self-Test. When power is applied to the tape drive, it

performs a POST.

Power Cycle The act of turning the tape drive or system off, then on

again.

PRML Partial Response Maximum Likelihood is a method for converting

the weak analog signal from the head of a magnetic disk drive into a

digital signal. Also see Advanced PRML

PWA Printed Wiring Assembly.

Receiver (cartridge) 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.

Restore To replace data on the hard drive with data obtained from

another media device.

RoHS Restrictions on Hazardous Substances is an EU directive that

restricts, and in some cases bans, the use of certain compounds in the

manufacture of electronic equipment. RoHS mandates that new electrical

and electronic equipment put on the market does not contain lead,

mercury, cadmium, hexavalent chromium, poly-brominated biphenyls

(PBB), or poly-brominated diphenyl ethers (PBDE).

SAS Serial Attached SCSI.

SCSI Small Computer System Interface. An American National

Standards Institute (ANSI) standard for the interface between a computer

and peripheral controllers.

SDLT Super Digital Linear Tape.

Seek The movement of a read/write head to a specific data track.

Server A powerful computer system with a large tape drive capacity

that serves the information access and communication needs of multiple

users.

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Quantum DLT 7 Manual Pagina 168