Specifications
Environmental Requirements
49
Environmental Requirements
Table 12 on page 49 lists the environmental specifications for the LTO-1 and LTO-2 drives.
Asynchronous transfer rate (burst)
40 Mbytes per sec max
Cartridge unload time
3 seconds
Average rewind time (609-m tape)
LTO-1: > 4 seconds
LTO-2: > 5.9 seconds
Maximum rewind time (609-m tape)
LTO-1: <152 seconds
LTO-2: <103 seconds
Average data access time (609-m tape)
from BOW
LTO-1: 76 seconds
LTO-2: 51.5 seconds
Maximum data access time (609-m tape)
from BOW
LTO-1: 152 seconds
LTO-2: 103 seconds
Average rewind time (609-m tape)
< 76 seconds
Tape speed
LTO-1: Up to 4 meters per second
LTO-2: Up to 5.9 meters per second
Table 12. Environmental Requirements
Specification
Operational
Non-operational
Temperature
+50° to +104°F
(+10° to + 40°C)
–40° to +149°F
(–40° to + 66°C)
Airflow requirements
Internal: 9 CFM (front to back)
N/A
Thermal gradient
11°C per hour (10-40°C)
11°C per hour (10-40°C)
Relative humidity
20% to 80% non-condensing
10% to 95% non-condensing
Humidity gradient
10% per hour
10% per hour
Altitude
max 10,000 feet MSL (at 25°C) 40,000 feet (power off)
Shock (1/2 sine wave)
10 Gs peak, 11 msec
40 Gs peak, 11 msec
Vibration (sweep test)
0.005 inches DA (5-43 Hz)
0.50 G peak (43–1000 Hz)
sweep rate 5-1000Hz;
0.25 octave per minute)
1.0 G (5-500Hz;
sweep rate 1.0 octave per
minute
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
—
Table 11. Drive Performance Specifications
Specification
Value
