Environmental Requirements; Dds Cartridge Specifications - Seagate STD124000N Product Manual

Specifications

Environmental Requirements

DDS Cartridge Specifications

Product Manual
The following table lists the environmental specifications for DDS drives. You can
mount internal DDS drives either vertically (drive left side up or right side up) or
horizontally.
Specification
Temperature
Thermal gradient
Relative humidity
Maximum wet bulb temperature
Altitude
Vibration
Sweep Test
Sweep Rate
Dwell Test (15 min)
Acoustic level idling (A-wt sum)
Acoustic level operational
(A-wt sum)
Shock (1/2 sine wave)
1. Mechanism and media
DDS drives provide maximum data integrity and reliability when Seagate-qualified
DDS cartridges are used as the recording media. Seagate maintains an ongoing
program to qualify manufacturers of DDS cartridges.
The following cartridges are recommended:
z
DDS data cartridge: model M31300, 60-meter tape
z
DDS data cartridge: model M32000, 90-meter tape
z
DDS-2 data cartridge: model M34000, 120-meter tape
z
DDS-3 data cartridge: model M312000, 125-meter tape
z
DDS cleaning cartridge: model M91301
Contact your Seagate sales representative for information on qualified DDS data
and cleaning cartridge manufacturers and models.
Operational
o o 1
+41 to +113 F
o o
(+ 5 to + 45 C)
o
2 C per minute
(no condensation)
20% to 80%
1
noncondensing
o o
78.8 F (26 C)
–100 to +4,575 meters
—
1.20 mm peak-to-peak
(5–17 HZ)
0.73 G peak (17 to 150 Hz)
0.50 G peak (150–500 Hz)
8 decades per hour
0.90 mm peak-to-peak
(5–17 Hz)
0.55 G peak (17–150 Hz)
0.25 G peak (150–500 Hz)
45 dBA maximum
50 dBA maximum
(measured in suitable
enclosure at 3-ft distance
and operator height)
10 Gs peak, 11 msec
2. Mechanism
Chapter 2
Nonoperational
o o 2
–40 to +149 F
o o
(–40 to + 65 C)
Below condensation
0% to 90%
2
noncondensing
No condensation
–300 to +15,200
meters (power off)
1.5 g (5 to 500 Hz)
—
—
—
—
—
—
—
—
—
50 Gs peak, 11 msec
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