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INCITS/ISO/IEC 11557 : 1992 : R1999

Current
Current

The latest, up-to-date edition.

INFORMATION TECHNOLOGY - 3.81 MM WIDE MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE - HELICAL SCAN RECORDING - DDS-DC FORMAT USING 60 M AND 90 M LENGTH TAPES
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2004

Section 1 - General
1 Scope
2 Normative references
3 Conformance
4 Definitions
5 Environment and safety
Section 2 - Requirements for the case
6 Dimensional and mechanical characteristics
   of the case
Section 3 - Requirements for the unrecorded tape
7 Mechanical, physical and dimensional characteristics
   of the tape
8 Magnetic recording characteristics
Section 4 - Requirements for an interchanged tape
9 Format
10 Method of recording
11 Track geometry
12 Recording of blocks on the tape
13 Format of a track
14 Layout of a Single Data Space tape
15 Layout of Partitioned tape
16 Housekeeping frames
Annexes
A - Measurement of the light transmittance of the prisms
B - Recognition holes
C - Means to open lid
D - Measurement of light transmittance of tape and leaders
E - Measurement of Signal to Noise Radio
F - Method for determining the Nominal and Maximum Allowable
    Recorded Levels
G - Representation of 8-Bit bytes by 10-bit patterns
H - Measurement of bit shift
J - Recommendations for transportation
K - Method of measuring track edge linearity
L - Read-After-Write
M - Example of the content of a Basic Group No. 0
N - Registration of algorithms

Describes the physical and magnetic characteristics of a 3,81 mm-wide magnetic tape cartridge to enable interchangeability of such cartridges. It also specifies the quality of the recorded signal, the recording method and the recorded format, thereby allowing data interchange between drives by means of such magnetic tape cartridges.

DocumentType
Standard
Pages
114
ProductNote
Reconfirmed 1999
PublisherName
Information Technology Industry Council
Status
Current

Standards Relationship
ISO/IEC 11557:1992 Identical

IEC 60950:1999 Safety of information technology equipment
ISO/IEC 11576:1994 Information technology Procedure for the registration of algorithms for the lossless compression of data
ISO 1302:2002 Geometrical Product Specifications (GPS) Indication of surface texture in technical product documentation
ISO/IEC 10777:1991 Information technology — 3,81 mm wide magnetic tape cartridge for information interchange — Helical scan recording — DDS format

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