Dell 0TK131 Rev. A01 specifications Power Specifications, Drive Performance Specifications

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Power Specifications

Maximum voltage and power specifications for the PowerVault LTO-4-120 Half-Height tape drive are listed in Table 6-2 and Table 6-3. Specifications are the same as those for other SCSI drives unless otherwise noted.

Table 6-2. Voltage and Current Specifications

Specification

+12 VDC

+5 VDC

 

 

 

DC Voltage Tolerance

12.00 ± 10%

5.00 ± 5%

Non-operating max voltage

14 Volts peak

5.50 Volts peak

 

 

 

Max operating current

 

 

Continuous:

1.70 amps RMS

2.40 amps max RMS*

Peak:

1.90 amps RMS

2.60 amps max RMS*

 

(1 sec max)

 

 

 

 

Standby current (max)

0.37 amps RMS

0.98 amps RMS*

Ripple (peak-to-peak)

< 100 mV

< 100 mV

 

 

 

* RMS parameters measured at the power connector using a true RMS digital meter.

 

 

 

Table 6-3. Power Dissipation

 

 

Power Specification

Dissipation

 

 

Max Standby Power

9.3 watts RMS*

 

 

Max Continuous Operating Power

31.3 watts RMS*

 

 

Max Peak Operating Power

33.2 watts RMS (1 sec max)

 

 

* RMS parameters measured at the power connector using a true RMS digital meter.

Drive Performance Specifications

Table 6-4 lists the performance specifications of the PowerVault LTO-4-160 Half-Height tape drive.

Table 6-4. Drive Performance Specifications

Specification

Value

 

 

 

 

Average data access time

56 seconds

 

(820-m tape) from BOW (beginning of wrap)

 

 

Average rewind time

> 85 seconds

 

(820-m tape) from EOT (end of tape)

 

 

 

 

 

Capacity

800 GB (native)

 

 

 

 

Cartridge unload time

25 seconds

 

 

 

 

Error recovery

Read-after-write Reed Solomon ECC (2 levels)

 

Flux density (cells per mm)

13250

 

 

 

 

Head configuration

2 bumps

 

 

16 thin-film write heads per bump

 

 

16 MR read heads per bump

 

 

2 MR servo heads per bump

 

Maximum data access time from BOW (820-m tape)

112 seconds

 

 

 

 

Maximum tape rewind speed (meters per second)

8.3

 

 

 

 

Recording density (RRL-encoded ONEs per mm)

6,760

 

 

 

 

Recording format (Ultrium 16-channel)

U-416

 

 

 

 

Recording method

0, 13/11 RLL

 

Recording undetectable errors

Less than 1 in 102 7 data bits

 

Recording unrecoverable errors

Less than 1 in 101 7 data bits

 

Synchronous transfer rate (burst)

160 MB/sec max

 

 

 

 

Tape drive type

LTO (Ultrium)

 

 

 

 

Tape speed (meters per second)

Up to 6.07

 

 

 

 

Track density

70 tracks per mm

 

 

 

 

Transfer rate (sustained), MB/second

120 (max, native)

 

 

 

 

Environmental Requirements

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Contents Dell PowerVault LTO-4-120 Tape Drive Users Guide Feature Description FeaturesIntroduction OverviewClick Update Driver Installing the LTO Driver SoftwareConfiguring Linux Environments Linux Configuration ProceduresConfiguring the Linux Environment ProcedurePage Operation Using LTO Tape CartridgesUnderstanding the LTO-4-120 Front Panel Display LTO-4-120 Front Panel Display IndicationsTape Cartridge Care and Maintenance Cleaning the Tape DriveLoading a Tape Cartridge Unloading a Tape CartridgeIf there is Then the tape drive firmware Performing an Emergency Cartridge EjectTrack Layout TheoryRecording Method Data BufferServo-tracking Faults Error-correction Code ECCData Compression Intelligent Data Compression Data Compression ConsiderationsPhysical Specifications SpecificationsPhysical Specifications System RequirementsDrive Performance Specifications Power SpecificationsEnvironmental Requirements Reliability Specifications Injected Noise SpecificationsLTO Cartridge Specifications Cartridge Reliability Cartridge MemoryEnvironmental Tolerances Installation Best Practices Troubleshooting GuideTroubleshooting Suggestions Windows Operating System Environments Computer Software Does Not Recognized the Tape DriveIf the two-color status LED is Then If the tape drive is for use Then youRed Hat Linux Operating System Environments Drive Does Not Load the Tape CartridgeIf the two-color status LED is Other LEDs are Then Drive Does Not Eject the Tape Cartridge Slow Backup OperationsIf the tape drive is . . . to a SAS controller Then Failed Operations TapeAlert Messages Backup Failure TapeAlert MessagesIf you believe that the read/write transfer rate is Then This TapeAlert message SignifiesWrite-Protected TapeAlert Messages If the diagnostic test ThenHardware Failure TapeAlert Messages This LED indication Signifies Tape Cleaning TapeAlert MessagesContacting Dell Getting HelpVisit support.dell.com Audience PrefacePurpose Document OrganizationBack to Contents