Quantum A-Series manual Environmental Requirements, Specification Operational Non-operational

Environmental Requirements

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	52 dBA maximum 5.0 LwA Bels	—
(A-wt sum)
Acoustic level operational	57 dBA maximum 5.5 LwA Bels	—
(A-wt sum)
Airflow requirements	Internal: 9 CFM (front to back)	N/A
Altitude	max 10,000 feet MSL	40,000 feet (power off)
	(at 25°C)
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	–40° to +149°F
	(+10° to + 40°C)	(–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)	0.1 inches (5–14 Hz)
	0.20 G peak (27–1000 Hz)	1.0 G (14–500 Hz)
	Sweep rate 5–1000 Hz	1.0 octave per minute
	1.0 octave per minute	2.0 G random (5–500 Hz)

Quantum A-Series Tape Drives User’s Guide 49