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General Description and Specifications
Quantum DLT 4000 Tape Drive
1-5
Table 1–3 DLT 4000 Performance Data (continued)
Feature
Description
Tracks
128; 64 pairs
Linear Bit Density
81,600 bpi per track
READ / WRITE Tape Speed
98 inches/second
Rewind Tape Speed
150 inches/second
Linear Search Tape Speed
150 inches/second
Average Rewind Time
70 seconds
Maximum Rewind Time
140 seconds
Average Access Time (from BOT)
45 seconds
Maximum Access Time (from BOT)
90 seconds
Load to BOT (typical)
48 seconds - previously written (slightly longer if using
a blank tape)
Load to BOT (max time using V120
firmware or greater)
5.2 minutes with blank tape that fails calibration (time
includes calibration retries)
Unload from BOT
17 seconds
Nominal Tape Tension
3.0 +/- 1 oz when stationary; 4.7
+/- 1 oz at operating speed
* = Depending on data type and SCSI bus limitations/system configuration
Note that data is typical; times may be longer if error recovery time is needed.
1.3.5 Environmental Specifications
The following table lists operating and non-operating environmental
specifications for the DLT 4000 tape drive.
Table 1–4
DLT 4000 Environmental Specifications
Specification
Operating Limits
Non-Operating Limits
(Power On; No Tape Loaded)
Wet Bulb Temperature
25°C (77°F)
25°C (77°F)
Dry Bulb Temperature
Range
10
°
C to 40
°
C (50
°
F to 104
°
F)
-40
°
C to 66
°
C (-40
°
F to 151
°
F)
Temperature Gradient
11
°
C (52°F) /hour (across range)
15
°
C (59°F) /hour (across range)
Temperature Shock
10
°
C (50°F) (over two minutes)
15
°
C (59°F) (over two minutes)
Relative Humidity
20 to 80% (noncondensing)
10 to 95% (noncondensing)
Humidity Gradient
10% / hour
10% / hour
Summary of Contents for DLTtape DLT 4000
Page 1: ...DLT 4000 Tape Drive Product Manual November 10 2003 81 60043 04 ...
Page 5: ...USER MANUAL STATEMENTS FOR CLASS B EQUIPMENT continued ...
Page 6: ......
Page 24: ...About This Manual Quantum DLT 4000 Tape Drive xxiv ...
Page 62: ...Hardware Implementation 2 28 Quantum DLT 4000 Tape Drive ...
Page 100: ...Messages 4 12 Quantum DLT 4000 Tape Drive ...
Page 264: ...SCSI Commands 5 164 Quantum DLT 4000 Tape Drive ...
Page 274: ...Appendix B EEPROM Resident Bugcheck and Event Logs B 6 Quantum DLT 4000 Tape System ...
Page 280: ...Appendix C Updating the Firmware C 6 Quantum DLT 4000 Tape Drive ...
Page 298: ...Index Index 6 Quantum DLT4000 Tape Drive ...
Page 299: ......