Part 1. Introduction; About Dds Drives; Features - Sony SDT-S9000 Guia Del Usuario

Part 1. Introduction

About DDS Drives

Features

The SDT-S9000 is an external DDS drive unit that uses data cartridges
conforming to the DDS-3 format. The SDT-S7000, SDT-S7200, SDT-S5000
and SDT-S5200 are external DDS drive units that use data cartridges
conforming to the DDS-2 format. The SDT-S4000E and SDT-S2000E are
external DDS drive units that use data cartridges conforming to the DDS-1
format. The SDT-S9000 supports DDS-1, DDS-2 and DDS-3 formats.The
SDT-S7000, SDT-S7200, SDT-S5000 and SDT-S5200 support both DDS-1
and DDS-2 formats. The SDT-S4000E and SDT-S2000E support only DDS-
1 format.
The DDS Drive Unit SDT-S9000 has the following features:
• The Digital Data Storage format provides a huge data storage capacity on
DDS-1/DDS-2/DDS-3 data cartridges.
• Read After Write Function and third-level error correction code guarantee
high data reliability.
• Data compression provides 24 gigabytes of storage on 125 m tape-length
*1
cartridge.
The native capacity is 12 gigabytes of storage on 125 m tape-length
cartridge.
• Stored data are automatically checked for compression.
• The SCSI-2 (ANSI SCSI-2 X3T9.2/86-109 REV.10C) interface is fully
supported for host computer access.
• Read/Write operation is available with both DDS-1, DDS-2 and DDS-3
format.
*1
This is assuming 2 : 1 compression ratio.
The degree of data compression attained while recording data varies according to system
environment and data type.
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Part 1. Introduction