ISO/IEC 13923:1996 PDF

Name: ISO/IEC 13923:1996 — Information technology — 3,81 mm wide magnetic tape cartridge for information interchange — Helical scan recording — DDS-2 format using 120 m length tape
SKU: ISO/IEC 13923:1996
Price: 25 EUR
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Information technology — 3,81 mm wide magnetic tape cartridge for information interchange — Helical scan recording — DDS-2 format using 120 m length tape

Название (английский):

ISO/IEC 13923:1996

Information technology — 3,81 mm wide magnetic tape cartridge for information interchange — Helical scan recording — DDS-2 format using 120 m length tape

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 98
Дата публикации:: 26 декабря 1996 г.
Издание:: ISO/IEC IS 13923 edition 1 version 1
ICS:: 35.220.23

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Цена:1 470 €

Описание (английский):

Specifies the physical and magnetic characteristics of a 3,81 mm wide magnetic tape cartridge to enable physical interchangeability of such cartridges between drives and specifies the quality of the recorded signals, the recording method and the recorded format.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO/IEC 13923:1996 defines the physical, magnetic and recorded-format requirements for a 3.81 mm wide magnetic tape cartridge (DDS-2) using 120 m length tape for helical-scan recording. The standard ensures physical interchangeability between cartridges and drives and specifies signal quality, recording method, track geometry and on-tape data structures to enable reliable data interchange across implementations.

Key topics and requirements

Physical cartridge and case: dimensional, mechanical and optical features (hubs, lid, access holes, label and datum areas) to guarantee mechanical interchangeability.

Unrecorded tape characteristics: material, width, thickness, length, coating adhesion, layer-to-layer adhesion, tensile strength, curling/cupping and splice requirements.

Magnetic recording characteristics: optimum recording field, signal amplitude, overwrite behavior, bit-cell lengths, bit shift limits, and signal-to-noise requirements.

Track geometry and density: helical-track configuration (average track pitch, track width, azimuth angles, track edge linearity) - DDS-2 increases track density (about 1.5× vs earlier DDS formats) to raise capacity.

Recorded format (DDS-2): detailed on-tape format including Basic Groups, Sub-Groups, Entity and Block Access Tables, Housekeeping Frames, ECC schemes (including optional ECC3), separator marks, EOD/EWP areas and partitioning rules.

Media Recognition System (MRS): tape-side markers (striped splicing tape) and cartridge recognition holes for media/coating identification.

Conformance & interoperability: requirements for generating and receiving systems; optional features (Read-After-Write, multiple Basic Group representations, ECC3), and algorithm registration for any pre-/re-processing applied to host data.

Environment and test methods: specified operating, storage and transport environments plus annexed measurement methods (light transmittance, bit shift, S/N ratio, track edge linearity, read-after-write, etc.).

Practical applications and users

Tape media manufacturers (to produce compliant cartridges and tapes).

Drive and recorder designers (to ensure mechanical and magnetic compatibility).

IT architects, backup/archival teams and data centers (for long-term storage, vendor interoperability and migration planning).

Conformance/test laboratories and data-recovery vendors (for validation, quality assurance and forensic access).

Benefits include reliable cross-vendor data interchange, predictable drive behavior, and clearer requirements for archival preservation.

Related standards

ISO/IEC 12247 (DDS format, 60/90 m)

ISO/IEC 11557 (DDS-DC compressed format)

ISO/IEC 10777, 11319, 11321, 12246, 12248 (other helical-scan and cartridge-width standards)

Keywords: ISO/IEC 13923, DDS-2, 3.81 mm magnetic tape cartridge, helical scan, tape format, data interchange, magnetic tape standards, Media Recognition System, track density, conformance.

ISO/IEC 13923:1996 PDF

Abstract

Похожие стандарты

Overview

Key topics and requirements

Practical applications and users

Related standards

Технические детали

BS ISO/IEC 13923:1996

Information technology. 3,81 mm wide magnetic tape cartridge for information interchange. Helical scan record…

BS ISO/IEC 12247:1993

Information technology. 3,81 mm wide magnetic tape cartridge for information interchange. Helical scan record…

BS ISO/IEC 11557:1992

Information technology. 3,81 mm wide magnetic tape cartridge for information interchange. Helical scan record…

BS ISO/IEC 10777:1991

Information technology. 3,81 mm wide magnetic tape cartridge for information interchange. Helical scan record…