Power Specifications; Drive Performance Specifications; Environmental Requirements - Dell PowerVault LTO-4-120 User Manual

Power Specifications
Maximum voltage and power specifications for the PowerVault LTO-4-120 Half-Height tape drive are listed in
same as those for other SCSI drives unless otherwise noted.
Table 6-2. Voltage and Current Specifications
Specification +12 VDC
DC Voltage Tolerance 12.00 ± 10%
Non-operating max voltage 14 Volts peak
Max operating current
Continuous: 1.70 amps RMS
Peak: 1.90 amps RMS
(1 sec max)
Standby current (max) 0.37 amps RMS
Ripple (peak-to-peak) < 100 mV
* RMS parameters measured at the power connector using a true RMS digital meter.
Table 6-3. Power Dissipation
Power Specification
Max Standby Power
Max Continuous Operating Power
Max Peak Operating Power
* 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
Average data access time
(820-m tape) from BOW (beginning of wrap)
Average rewind time
(820-m tape) from EOT (end of tape)
Capacity
Cartridge unload time
Error recovery
Flux density (cells per mm)
Head configuration
Maximum data access time from BOW (820-m tape) 112 seconds
Maximum tape rewind speed (meters per second)
Recording density (RRL-encoded ONEs per mm)
Recording format (Ultrium 16-channel)
Recording method
Recording undetectable errors
Recording unrecoverable errors
Synchronous transfer rate (burst)
Tape drive type
Tape speed (meters per second)
Track density
Transfer rate (sustained), MB/second
Environmental Requirements
+5 VDC
5.00 ± 5%
5.50 Volts peak
2.40 amps max RMS*
2.60 amps max RMS*
0.98 amps RMS*
< 100 mV
Dissipation
9.3 watts RMS*
31.3 watts RMS*
33.2 watts RMS (1 sec max)
Value
56 seconds
> 85 seconds
800 GB (native)
25 seconds
Read-after-write Reed Solomon ECC (2 levels)
13250
2 bumps
16 thin-film write heads per bump
16 MR read heads per bump
2 MR servo heads per bump
8.3
6,760
U-416
0, 13/11 RLL
2 7
Less than 1 in 10 data bits
1 7
Less than 1 in 10 data bits
160 MB/sec max
LTO (Ultrium)
Up to 6.07
70 tracks per mm
120 (max, native)
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Table 6-2 and Table 6-3. Specifications are the