This Ecma Standard specifies the physical and magnetic characteristics of a 12,7 mm wide, 128-track magnetic tape cartridge, to enable physical interchangeability of such cartridges between drives. It also specifies the quality of the recorded signals, a format – called Digital Linear Tape 3 Extended (DLT 3-XT) – and a recording method, thereby allowing data interchange between drives. Together with a labelling standard, for instance Standard ECMA-13 for Magnetic Tape Labelling, it allows full data interchange by means of such magnetic tape cartridges.
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ECMA-258
Data Interchange on 12,7 mm 128-track magnetic tape cartridges - DLT 3-XT format
1st edition, June 1997
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