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Data interchange on 12,7 mm 18-track magnetic tape cartridges

3rd edition, December 1993

This Ecma Standard specifies the physical and magnetic characteristics of a 12,7 mm wide, 18-track magnetic tape cartridge to enable interchangeability of such cartridges. It also specifies the quality of the recorded signals, the format and the recording method thus allowing, together with Standard ECMA-13 for Magnetic Tape Labelling, full data interchange by means of such magnetic tape cartridges.

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CategoryData interchange – magnetic tapes and cartridges

SubcategoryMagnetic tapes and cartridges

Technical CommitteeTC17 (this TC is no longer active)

ISO number9661


  • ECMA-120, 1st edition, December 1986Download
  • ECMA-120, 2nd edition, December 1987Download