
Chapter 5 Specifications
Environmental Requirements
48 LTO-4 (Model B) Half-Height Tape Drive User’s Guide
Environmental Requirements
Tab l e 7 lists the environmental specifications of the LTO-4 (Model B)
Half-Height Tape Drive.
Ta bl e 7 Environmental
Requirements
Recording undetectable errors
Less than 1 in 10
27
data bits
Recording unrecoverable
errors
Less than 1 in 10
17
data bits
Synchronous transfer rate
(burst)
SCSI - 320 Mbytes per sec max
(shared bandwidth)
SAS - 300 Mbytes per sec max
(dedicated bandwidth)
Tape drive type LTO (Ultrium)
Tape speed 4.20 meters per second (Half-
Height drives)
Track density 70 tracks per mm
Transfer rate (sustained) 80 Mbytes/second (max, native)
Specification Value
Specification Operational Nonoperational
Acoustic level idling
(A-wt sum)
52 dBA maximum 5.0 LwA Bels —
Acoustic level operational
(A-wt sum)
57 dBA maximum 5.5 LwA Bels —
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