Quantum DX30 Guia do Utilizador descarregar pdf (Página 152)

132 Quantum DX-Series User’s Guide

DLT Digital Linear Tape technology is owned, developed, and

manufactured by Quantum Corporation. DLT tape drives use half-inch

wide tape.

ESD Electro-Static Discharge

Gripper A mechanical component of the extension axis assembly

(robotics) which grips and holds a tape cartridge in transit

Host The device or devices to which the library is connected.

IEC The International Electrotechnical Commission is based in Geneva,

Switzerland.

MSBF Mean Swaps Before Failure

MTBF Mean Time Between Failures

MTTR Mean Time To Repair

NEMA National Electrical Manufacturers Association

PCI The PCI bus typically runs at speeds of 33 MHz or 66 MHz and is

usually 32 bits wide. This means that it passes 32 bits of data

simultaneously as if down 32 separate wires. Some of the most recent

computers include "wider" 64-bit PCI buses, and already certain very

high-end video capture cards offer improved performance if connected to

a 64-bit PCI bus.

RAID Redundant Array of Independent Disks is a technology through

which several physical storage disks are grouped into an array that

appears to an operating system as one or more physical devices.

RS-232C Short for Recommended Standard-232C, a standard interface

approved by the Electronic Industries Association (EIA) for connecting

serial devices. This standard is for ASYNCHRONOUS TRANSFER

between computer equipment and accessories. Data is transmitted bit by

bit in a serial fashion. The RS-232 standard defines the function and use of

all 25 pins of a DB-25 type connector.

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Quantum DX30 Guia do Utilizador Página 152