ISO/IEC 14833:1996 PDF

Name: ISO/IEC 14833:1996 — Information technology — Data interchange on 12,7 mm 128-Track magnetic tape cartridges — DLT 3 format
SKU: ISO/IEC 14833:1996
Price: 25 EUR
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Information technology — Data interchange on 12,7 mm 128-Track magnetic tape cartridges — DLT 3 format

Название (английский):

ISO/IEC 14833:1996

Information technology — Data interchange on 12,7 mm 128-Track magnetic tape cartridges — DLT 3 format

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 54
Дата публикации:: 21 марта 1996 г.
Издание:: ISO/IEC IS 14833 edition 1 version 1
ICS:: 35.220.23

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Описание (английский):

Specifies the physical and magnetic characteristics of a 12,7 mm wide, 128-track magnetic tape cartridge, to enable interchangeability of such cartridges. It also specifies the quality of the recorded signals, a format, called Digital Linear Tape 3 (DLT 3), and a recording method.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO/IEC 14833:1996 - "Information technology - Data interchange on 12,7 mm 128‑Track magnetic tape cartridges - DLT 3 format" defines the physical, magnetic and logical requirements for 12.7 mm (0.5 in) wide, 128‑track magnetic tape cartridges using the Digital Linear Tape 3 (DLT 3) format. The standard specifies tape geometry and construction, recorded‑signal quality, a recording method and the DLT‑3 data format to ensure interchangeability between media, drives and systems for backup, archiving and data interchange.

Key topics and technical requirements

Physical characteristics

Tape width: nominal 12.649 mm ±0.010 mm (12.7 mm class)
Tape length: 355 m minimum, 365 m maximum (BOT to EOT)
Construction: PET (or equivalent) base with ferromagnetic coating and conductive backcoat
BOT/EOT markers: holes punched in tape centreline

Magnetic & recording parameters

Physical recording density example referenced: 1 640 flux transitions per mm (ftpmm)
Standard Reference Amplitude (SRA), Standard Reference Current and Test Recording Current (1.1 × SRI) used for calibration
Read/write characteristics: azimuth control, flux transition spacing, channel bit‑cell definitions and channel skew requirements

Data format and error control

DLT‑3 logical structure: physical tracks grouped into logical tracks (pairs of physical tracks); a Logical Block is written/read simultaneously on the two tracks of a logical track
Entities: groups of ten Logical Blocks
Error detection and correction: CRC character (64‑bit), EDC and ECC schemes, CRCs for blocks and pages
Data layout: calibration and directory areas, multiple guard areas, data area with defined physical and logical track mapping

Environment, conformance and quality

Test/operating conditions: typical conditioning at 23 °C ±2 °C, 40–60% RH; operating 10 °C to 40 °C and specified humidity ranges
Conformance statements for cartridges, generating systems and receiving systems
Annexes provide measurement procedures, CRC/ECC generation, handling, transportation and durability recommendations

Applications and practical value

Ensures media and drive interoperability for backup and archival workflows across vendors

Guides tape manufacturers on acceptable tape construction and quality parameters

Informs tape drive designers about read/write, azimuth, calibration tracks and signal amplitude requirements

Useful for data center operators, archives and preservation specialists who need reliable interchange and long‑term storage

Supports validation, testing and certification of media and systems for DLT‑3 compatibility

Related standards

ISO/IEC 1001:1986 (labelling and file structure reference cited)

ISO/IEC 13421 and ISO/IEC 13962 (other 12.7 mm DLT cartridge developments referenced in the introduction)

Keywords: ISO/IEC 14833:1996, DLT 3, Digital Linear Tape, 12.7 mm 128‑track, magnetic tape cartridge, data interchange, tape format, tape archival standards.

ISO/IEC 14833:1996 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and practical value

Who should use this standard

Related standards

Технические детали

BS ISO/IEC 13421:1993

Information technology. Data interchange on 12,7 mm, 48-track magnetic tape cartridges. DLT 1 format.

BS ISO/IEC 13962:1995

Information technology. Data interchange on 12,7 mm, 112-track magnetic tape cartridges. DLT 2 format.

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