HP Surestore Tape Library Model 2/15 HP DLT Tape Library 15-Slot - (English) U - Page 19

Specifications, Quantum DLT4000 and DLT7000 Drive, Mechanism Specifications

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Product Description Specifications Product Description Specifications Quantum DLT4000 and DLT7000 Drive Mechanism Specifications Table 1-5 DLT Drive Specifications Characteristic DLT4000 Performance Read/write transfer rate: maximum sustained (DLTtape Type IV) non-compressed mode: 1.5 MB/second compressed (2:1 typical): 3.0 MB/second Average access time 68 seconds Rewind 45 seconds (average) 90 seconds (maximum) Loading time to BOT (for previously written tape) 48 seconds (average) Unloading time to 17 seconds (average) BOT External Interface 8-bit SCSI-2, differential Internal Interface 8-bit SCSI-2, single-ended Read-write head 2-channel, ferrite w/MIG DLT7000 non-compressed mode: 5.2 MB/second compressed (2:1 typical): 10.0 MB/second 60 seconds 60 seconds (average) 120 seconds (maximum) 48 seconds (average) 17 seconds (average) 16-bit fast/wide SCSI-2, differential 16-bit fast/wide SCSI-2, single-ended 4-channel, ferrite w/MIG 1-7

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1-7
Product Description
Specifications
Product Description
Specifications
Quantum DLT4000 and DLT7000 Drive
Mechanism Specifications
Table 1-5
DLT Drive Specifications
Characteristic
DLT4000
DLT7000
Performance
Read/write transfer
rate:
maximum
sustained (DLTtape
Type IV)
non-compressed mode:
1.5 MB/second
compressed (2:1 typical):
3.0 MB/second
non-compressed mode:
5.2 MB/second
compressed (2:1 typical):
10.0 MB/second
Average access time
68 seconds
60 seconds
Rewind
45 seconds (average)
90 seconds (maximum)
60 seconds (average)
120 seconds (maximum)
Loading time to
BOT (for
previously written
tape)
48 seconds (average)
48 seconds (average)
Unloading time to
BOT
17 seconds (average)
17 seconds (average)
External Interface
8-bit SCSI-2, differential
16-bit fast/wide SCSI-2, differential
Internal Interface
8-bit SCSI-2, single-ended
16-bit fast/wide SCSI-2, single-ended
Read-write head
2-channel, ferrite w/MIG
4-channel, ferrite w/MIG