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Environmental Requirements
Quantum A-Series Tape Drives User’s Guide 49
Environmental Requirements
Table 22 lists the environmental specifications of the LTO-3 Half-Height
Tape Drive.
Table 22 Environmental
Requirements
Specification Operational Non-operational
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 —
Airflow requirements Internal: 9 CFM (front to back) N/A
Altitude max 10,000 feet MSL
(at 25°C)
40,000 feet (power off)
Humidity gradient 10% per hour 10% per hour
Relative humidity 20% to 80% non-condensing 10% to 95% non-condensing
Shock (1/2 sine wave) 10 Gs peak, 11 msec 40 Gs peak, 11 msec
Temperature +50° to +104°F
(+10° to + 40°C)
–40° to +149°F
(–40° to + 66°C)
Thermal gradient 11°C per hour (10-40°C) 11°C per hour (10-40°C)
Vibration (sweep test) 0.005 inches DA (5-27 Hz)
0.20 G peak (27–1000 Hz)
Sweep rate 5–1000 Hz
1.0 octave per minute
0.1 inches (5–14 Hz)
1.0 G (14–500 Hz)
1.0 octave per minute
2.0 G random (5–500 Hz)