Section 1 - General
1 Scope
2 Conformance
2.1 Magnetic tape cartridge
2.2 Generating drive
2.3 Receiving drive
3 References
4 Definitions
4.1 Absolute Frame Number (AFN)
4.2 a.c. erase
4.3 Access
4.4 algorithm
4.5 Area ID
4.6 Automatic Track Finding (ATF)
4.7 Average Signal Amplitude
4.8 azimuth
4.9 back surface
4.10 byte
4.11 cartridge
4.12 Channel bit
4.13 Codeword
4.14 Early Warning Point (EWP)
4.15 End of Data (EOD)
4.16 Entity
4.17 Error Correcting Code (ECC)
4.18 flux transition position
4.19 flux transition spacing
4.20 Frame
4.21 Housekeeping Frame
4.22 Logical Beginning of Tape (LBOT)
4.23 magnetic tape
4.24 Master Standard Amplitude Calibration Tape
4.25 Master Standard Reference Tape
4.26 Partition Boundary
4.27 Physical Beginning of Tape (PBOT)
4.28 Physical End of Tape (PEOT)
4.29 physical recording density
4.30 pre-recording condition
4.31 processing
4.32 processed data
4.33 Processed Record
4.34 record
4.35 Reference Field
4.36 Remote Memory In Cartridge (RMIC)
4.37 Secondary Standard Amplitude Calibration Tape
4.38 Secondary Standard Reference Tape
4.39 Separator Mark
4.40 Standard Reference Amplitude (SRA)
4.41 Standard Reference Current
4.42 Tape Reference Edge
4.43 Test Recording Current
4.44 track
4.45 Typical Field
4.46 unprocessed data
4.47 Unprocessed Record
5 Conventions and Notations
5.1 Representation of numbers
5.2 Names
6 Acronyms
7 Environment and safety
7.1 Test 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 Overall dimension
8.3 Holding areas
8.4 Cartridge insertion
8.5 Window
8.6 Loading grips
8.7 Label areas
8.8 Datum areas and Datum holes
8.9 Support areas
8.10 Recognition holes
8.11 Write-inhibit hole
8.12 Pre-positioning surfaces
8.13 Cartridge lid
8.14 Cartridge reel lock
8.15 Reel access holes
8.16 Interface between the reels and the drive spindles
8.17 Light path
8.18 Position of the tape in the case
8.19 Tape path zone
8.20 Tape access cavity
8.21 Tape access cavity clearance
8.22 Requirements for the RMIC
8.23 Recognition recesses
Section 3 - Requirements for the unrecorded tape
9 Mechanical, physical and dimensional characteristics of the tape
9.1 Materials
9.2 Tape length
9.2.1 Length of magnetic tape
9.2.2 Length of leader and trailer tapes
9.2.3 Length of the splicing tapes
9.3 Tape width
9.3.1 Width of magnetic, leader and trailer tapes
9.3.2 Width and position of the splicing tape
9.4 Discontinuities
9.5 Tape thickness
9.5.1 Thickness of the magnetic tape
9.5.2 Thickness of the leader and trailer tape
9.5.3 Thickness of the splicing tape
9.6 Longitudinal curvature
9.7 Cupping
9.8 Coating adhesion
9.9 Layer-to-layer adhesion
9.10 Tensile strength
9.10.1 Breaking strength
9.10.2 Yield strength
9.11 Residual elongation
9.12 Electrical resistance of the recording surface
9.13 Tape winding
9.14 Light transmittance of the tape
9.15 Recognition stripe
10 Magnetic recording characteristics
10.1 Typical Field
10.2 Signal Amplitude
10.3 Resolution
10.4 Overwrite
10.5 Ease of erasure
10.6 Tape quality
10.6.1 Missing pulses
10.6.2 Missing pulse zone
10.7 Signal-to-Noise Ratio (SNR) characteristic
Section 4 - Requirements for an interchanged tape
11 Format
11.1 General
11.2 Basic Groups
11.2.1 Entity
11.2.2 Group Information Table
11.2.3 Block Access Table (BAT)
11.3 Sub-Groups
11.3.1 G1 Sub-Group
11.3.2 G2 Sub-Group - Randomizing
11.3.3 G3 Sub-Group
11.4 Data Block
11.4.1 ID information
11.4.2 Recording of the ID Information in the Data Block Headers
12 Method of recording
12.1 Physical recording density
12.2 Long-term average bit cell length
12.3 Short-term average bit cell length
12.4 Rate of change
12.5 Bit shift
12.6 Read signal amplitude
12.7 Maximum recorded levels
13 Track geometry
13.1 Track configuration
13.2 Average track pitch
13.3 Variations of the track pitch
13.4 Track width
13.5 Track angle
13.6 Track edge straightness
13.7 Track length
13.8 Azimuth angles
14 Recorded patterns
14.1 Recorded Data Block
15 Format of tracks
15.1 Track structure
15.2 Positioning accuracy
15.3 Tracking scheme
15.4 Generation of Margin Blocks
16 Layout of the tape
16.1 Device Area
16.2 Reference Area
16.3 Position Tolerance Band No. 1
16.4 System Area
16.4.1 System Preamble
16.4.2 System Log
16.4.3 System Postamble
16.4.4 Position Tolerance Band No. 2
16.4.5 Vendor Group Preamble
16.5 Data Area
16.5.1 Vendor Group
16.5.2 Recorded Data Group
16.5.3 ECC3
16.5.4 Multiple Recorded Instances
16.5.5 Repeated Frames
16.5.6 Appending and overwriting
16.6 EOD Area
16.7 Optional Device Area
16.8 Logical End Of Tape (LEOT)
16.9 Logical Beginning of Tape (LBOT)
16.10 Early Warning Point - EWP
16.11 Empty Partition
16.12 Initialization
17 Housekeeping Frames
17.1 Amble Frames
17.2 System Amble Frames
18 AIT Remote Memory In Cartridge (AIT RMIC)
18.1 General
18.2 Content of the AIT RMIC
18.2.1 Manufacturer's Information Section
18.2.2 Communication Information Section
18.2.3 Mechanism Error Log Information Section
18.2.4 Memory Management Information Section
18.2.5 Volume Information Section
18.2.6 Volume Use History Information Section
18.3 Memory Heap Management
18.3.1 Cell
18.3.2 Cell Header
18.3.3 Partition Information Cell
18.3.4 Physical Tape Directory Information Cell
18.3.5 User Volume Information Cell
18.3.6 User Partition Information Cell
18.3.7 Application Information Cell
18.3.8 Date and Time Stamp Information Section Cell
18.3.9 Media Identification Information Cell
18.3.10 Tape Alert Information Cell
18.4 Electrical interface
18.5 Environment
18.5.1 Electromagnetic Compatibility
18.5.2 Magnetic fields
18.5.3 X-rays
18.6 Operating Field
18.7 Message from AIT RMIC reader-writer to AIT RMIC
18.8 Message from AIT RMIC to AIT RMIC reader-writer
18.8.1 Load modulation
18.9 EDC
18.10 AIT RMIC states
18.11 Command and Response
18.11.1 Attention Command and Response
18.11.2 Attention Command and Response Type 1
18.11.3 Attention Command and Response Type 2
18.11.4 Read Command and Response
18.11.5 Write Command and Response
18.11.6 Status Command and Response
18.11.7 Reset Command and Response
18.12 Dialog
18.12.1 Read data from AIT RMIC
18.12.2 Write data to AIT RMIC
18.12.3 Read and Write with Session ID
Annex A - Measurement of light transmittance
Annex B - Measurement of Signal-to-Noise Ratio
Annex C - Method for determining the nominal and the maximum
allowable recorded levels (pre-recording condition)
Annex D - Representation of 16-bit words by 18-Channel bits
patterns
Annex E - Measurement of bit shift
Annex F - Method of measuring the straightness of track edges
Annex G - ECC calculation
Annex H - Recommendations for transportation
Annex J - Read-After-Write
Annex K - Basic Group No. 0
Annex L - Chip for the AIT-3 Format
Annex M - Generation of EDC bytes for the Error Detecting Code for
G2 Sub-Groups