Dell PowerVault 124T Manual de usuario descargar pdf (Pagina 49)

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Autoloader Power Specifications

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Autoloader Vibration Specifications

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Autoloader Shock Specifications

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Tape Drive Specifications

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LTO4-120 SAS Drive Specifications

Media Capacity

Media Specifications

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Characteristic

Specification

Line voltage

60 Hz system: 90 – 265 VAC

50 Hz system: 90 – 265 VAC

Line frequency

47 – 63 Hz

AC Input current

60 Hz system: 4.0 A (RMS) for 115 VAC

50 Hz system: 2.0 A (RMS) for 230 VAC

Power consumption

60 Hz = 75 W (256 BTU/hr)

50 Hz = 80 W (273 BTU/hr)

Characteristic

Specification

Operating

SweptSineVibration

5 – 500 Hz, 0.25 G, 0.254 mm (0.01 inch) to smooth crossover, 1 8ve/min, (X, Y, Z) axes

Random Vibration

0.25 Grms, 5 – 500 Hz (X, Y, Z) axes

Nonoperating

Swept Sine Vibration

5 – 500 Hz, 0.75 G, 0.51 mm (0.02 inch) to smooth crossover, 1 8ve/min, (X, Y, Z) axes

Random Vibration

1.06 Grms, 5 – 500 Hz (X, Y, Z) axes

Characteristic

Specification

Operating

3 G, 5 ms half-sine, 3 pulses (+/–) per axis, X, Y, Z

Nonoperating

20 G, 8 ms half-sine, 3 shocks (+/–) per axis, X, Y, Z

Description

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LTO4-120 SAS

Read/write transfer rate: maximum sustained

(LTO Ultrium 4 media)

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Noncompressed mode: 430 GB/hr

Compressed (2:1 typical): 860 GB/hr

Burst transfer rate

160 MB/s

Average access time

54 seconds (from BOT)

Loading time to BOT

(for previously written tape)

20 seconds (maximum)

Unloading time from BOT

20 seconds (maximum)

MCBF

> 100,000 cartridge load/unload cycles

Interface type

Serial Attached SCSI (SAS)

Mediatype

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Capacity

LTO Ultrium 4 storage capacity

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25600 GB (compressed) with 16 cartridges

Characteristic

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LTO Ultrium 4

LTO Ultrium 4 formatted capacity

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800 GB (noncompressed)

1600 GB (2:1 typical compression)

Basic description

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Dual coat metal particle

Tape length

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680 m (2230.9 ft)

Cartridge dimensions

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10.2 x 10.54 x 2.15 cm

(4 x 4.15 x .85 in)

Read compatibility

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LTO Ultrium 2, LTO Ultrium 3, LTO Ultrium 4

Write compatibility

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LTO Ultrium 3 and LTO Ultrium 4

Shelf life

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>30yearswith<10%lossindemagnetization@20°C

40% RH (noncondensing)

Cartridge life

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1,000,000 passes (any point on the tape passing the recording head in either direction)

LTO Universal Cleaning cartridge life

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50 uses

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Dell PowerVault 124T Manual de usuario Pagina 49

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