Quantum DLT-S4 Betriebsanweisung

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Chapter 1  Product Overview
Functional Specifications
DLT-S4 Product Manual
6
Functional Specifications
1
This section provides performance data for the DLT-S4 tape drive.  
Feature
Value
Tape drive read/write transfer 
rate
a
a. Depending on data type, SCSI bus limitations, and the tape 
system configuration.
Native—60 MB per second 
Compressed—120 MB per 
second
Tracks
80 logical tracks 
1280 physical tracks
Track density
2988 tracks per inch (tpi)
Linear bit density
256 Kb per inch (Kbpi)
Read/Write media speed
155 inches per second (ips)
Rewind media speed
200 inches per second
Linear search media speed
200 inches per second
Average rewind time
b
b. Note that data is typical; times may be longer if error recovery 
time is necessary.
70 seconds
Maximum rewind time
b
140 seconds
Average access time
(from BOT)
70 seconds
Maximum access time
(from BOT)
142 seconds
Load to BOT
b
25 seconds  
70 seconds (unformatted media)
Unload from BOT
b
25 seconds
Nominal media tension
Stationary—3.0 ± 0.5 oz. 
Operating speed—3.5 ± 0.5 oz. 
Rewind—3.5 ± 0.5 oz.