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The Sony SDT9000 is a 12/24Gb DDS3 data storage device using 4mm DAT technology with a typical 2.4Mb/sec transfer rate. It achieves high data reliability through Read-After-Write, an additional level of Error Correction Code, and other features.

The drive stores data on tape using a standard format called DDS (Digital Data Storage), DDS3, DDS2, DDS-DC and DCLZ formats. The Sony SDT9000 is fully READ and WRITE compatible with the DDS3, DDS2, DDS and DDS-DC format tapes.

SCSI TERMINATION & SCSI TERMINATION POWER

Pin pair R when jumpered enables SCSI termination to be set upon the drive. The drive must be terminated if it is either a stand alone unit, or last in a chain of devices.

Pin Pair T when jumpered connects termination power to the SCSI bus. When jumpered termination is supplied by the drive, without a jumper the power is supplied by the host.

Below is a diagram and table that explains the various conditions of the three LED indicators on the front of the Sony SDT-9000.

LED State Indication Table Activity Cartridge Other None None None SCSI None None Drive Load/Unload None Drive Load/Unload Write Protected None Loaded None SCSI Loaded None SCSI/Drive Loaded None * Loaded Write Protected None Loaded Cleaning Tape * Loaded Error Rate Warn * * Cleaning Request * * Self test Failure * * Waiting Reset * * Waiting Eject

Loading a cassette
Insert a cassette into the front panel with the arrow on the cassette pointing towards the drive. When the cassette is inserted, the drive takes it and automatically loads it into the drive mechanism.

Unloading a cassette
The cassette can be removed from the drive either in response to a SCSI Unload Command, or by pressing the eject button.

Using a Cleaning Tape
The SDT-9000 has a built in super head cleaner designed to last the life of the drive. In addition, a cleaning tape should be used periodically to clean the entire path. The drive will automatically request you to perform a cleaning operation. The need for a cleaning tape is determined by the drum rotating 24 hours since the last cleaning was performed.