AT&T 3B2/300 Technical Reference Manual page 109

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AT&T SCSI 9-Track Tape
The AT&T SCSI 9-Track Tape Drives are standard 9-track, reel-to-reel devices which permit transfer
of data between AT&T computers that support SCSI. These drives are also media compatible with
other vendors' computers. Although a SCSI 9-Track Tape Drive is intended primarily as a data transfer
mechanism, it can also be used as a mass storage backup device.
All SCSI 9-Track Tape Drives have an embedded SCSI controller which connects directly to the
SCSI bus. There are two SCSI 9-Track Tape Drives:
• Desktop, autoloading, dual density (1600/6250 BPI)
• Manual-loading, single density (1600 BPI).
Figures 2-19 and 2-20 show the two types of SCSI 9-Track Tape Drives.
AT&T SCSI 9-Track Tape Drive Equipment Characteristics
Electrical.
Voltage
Frequency
Environmental.
Temperature
Humidity
120 V AC, 1.5 Amperes Domestic
240 V AC, 0.75 Amperes International
50/60 Hz
40°F to 100°F
5°C to 38°C
20% to 80%, noncondensing
EQUIPMENT DESCRIPTION 2-85