Section 1 - General
1 Scope
2 Conformance
2.1 Magnetic tape cassette
2.2 Generating system
2.3 Receiving system
3 Normative references
4 Definitions
4.1 Absolute block number
4.2 a.c. erase
4.3 algorithm
4.4 Append file
4.5 Append volume
4.6 Average Signal Amplitude (ASA)
4.7 azimuth
4.8 back surface
4.9 bit cell
4.10 block
4.11 Block Management Table (BMT)
4.12 byte
4.13 cassette
4.14 compressed data
4.15 Control Track
4.16 flux transition position
4.17 flux transition spacing
4.18 Logical track set ID
4.19 Logical volume
4.20 magnetic tape
4.21 Master Standard Reference Tape (MSRT)
4.22 physical recording density
4.23 Reference Field (RF)
4.24 Secondary Standard Reference Tape (SSRT)
4.25 Standard Reference Amplitude (SRA)
4.26 Standard Reference Current (Ir)
4.27 Tape Reference Edge
4.28 Test Recording Current (TRC)
4.29 track
4.30 track angle
4.31 Track Set
4.32 Typical Field (TF)
4.33 Unique Identifier (UID)
4.34 word
5 Conventions and notations
5.1 Representation of numbers
5.2 Names
6 Acronyms
7 Environment and safety
7.1 Testing environment
7.2 Operating environment
7.3 Storage environment
7.4 Transportation
7.5 Safety
7.6 Flammability
Section 2 - Requirements for the case
8 Dimensional and mechanical characteristics of the case
8.1 General
8.2 Type S cassette
8.3 Type L cassette
Section 3 - Requirements for the unrecorded tape
9 Mechanical, physical and dimensional characteristics of
the tape
9.1 Materials
9.2 Tape length
9.3 Tape widths
9.4 Width and position of splicing tape
9.5 Discontinuity
9.6 Tape thickness
9.7 Longitudinal curvature
9.8 Out-of-plane distortions
9.9 Coating adhesion
9.10 Layer-to-layer adhesion
9.11 Tensile strength
9.12 Residual elongation
9.13 Electrical resistance of the coated surfaces
9.14 Tape wind
10 Magnetic recording characteristics
10.1 Typical Field TFI
10.2 Average Signal Amplitude(ASA)
10.3 Resolution
10.4 Signal-to-noise ratio (S/N)
10.5 Ease of erasure
10.6 Tape quality
10.7 Inhibitor tape
Section 4 - Requirements for an interchanged tape
11 Format for helical tracks
11.1 General description of the write data path
11.2 Formation of a Logical Track Set
11.3 Track Set information
11.4 Product code array processing
11.5 Track assignments
11.6 Formation of the contents of a helical track
11.7 Channel bit coding (annex B)
12 Track geometry
12.1 General
12.2 Helically recorded tracks
12.3 Longitudinal tracks geometry
13 Method of recording helical tracks
13.1 Physical recording density
13.2 Record current optimization
13.3 Efficiency of erasure
14 Method of recording longitudinal tracks
14.1 Overview
14.2 Control Track
14.3 Time Code Track
14.4 Format for the Time Code Track
Section 5 - Requirements for recorded information
15 Recorded information
15.1 Recording area (figure 54)
15.2 Magnetic tape layout (figure 55)
15.3 Physical TSID
Section 6 - Write operations
16 Write retry sequence
17 Append file operation
17.1 Append volume
17.2 Append write
17.3 Overwrite
17.4 File extension
Annexes
A - Measurement of Signal-to-Noise Ratio
B - Representation 819 coding patterns
C - Recommendations for Transportation
D - Inhibitor Tape