Section 1 - General
1 Scope
2 Conformance
2.1 Magnetic tape cartridge
2.2 Generating drive
2.3 Receiving drive
3 Normative references
4 Terms and 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 Memory In Cartridge (MIC)
4.27 Partition Boundary
4.28 Physical Beginning of Tape (PBOT)
4.29 Physical End of Tape (PEOT)
4.30 physical recording density
4.31 pre-recording condition
4.32 processing
4.33 processed data
4.34 Processed Record
4.35 record
4.36 Reference Field
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 Tape Reference Edge
4.42 Typical Field
4.43 Standard Reference Current
4.44 Test Recording Current
4.45 track
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 (figures 5 and 6)
8.3 Holding areas
8.4 Cartridge insertion
8.5 Window (figure 1)
8.6 Loading grips (figures 5 and 7)
8.7 Label areas (figures 6 and 8)
8.8 Datum areas and Datum holes
8.9 Support areas (figure 9)
8.10 Recognition holes (figures 10, 11 and 12)
8.11 Write-inhibit hole (figure 11)
8.12 Pre-positioning surfaces (figures 4 and 10)
8.13 Cartridge lid (figures 6, 13 and 15)
8.14 Cartridge reel lock (figures 10 and 16)
8.15 Reel access holes (figure 10)
8.16 Interface between the reels and the drive spindles
8.17 Light path (figures 10, 12, 20 and 21)
8.18 Position of the tape in the case (figure 21)
8.19 Tape path zone
8.20 Tape access cavity (figure 10)
8.21 Tape access cavity clearance (figure 24)
8.22 Requirements for the MIC (figures 25 and 26)
8.23 Recognition recesses (figures 8 and 10)
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 width
9.4 Discontinuities
9.5 Tape thickness
9.6 Longitudinal curvature
9.7 Cupping
9.8 Coating adhesion
9.9 Layer-to-layer adhesion
9.10 Tensile strength
9.11 Residual elongation
9.12 Electrical resistance of the recording surface
9.13 Tape winding
9.14 Light transmittance of the tape
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
10.7 Signal-to-Noise Ratio (SNR) characteristic
Section 4 - Requirements for an interchanged tape
11 Format
11.1 General
11.2 Basic Groups
11.3 Sub-Groups
11.4 Data Block
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
14.2 Margin blocks
15 Format of a track
15.1 Track structure
15.2 Positioning accuracy
15.3 Tracking scheme
16 Layout of the tape
16.1 Device Area
16.2 Reference Area
16.3 Position Tolerance Band No. 1
16.4 System Area
16.5 Data Area
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 Content of the MIC
Annexes
A - Measurement of light transmittance
B - Measurement of Signal-to-Noise Ratio
C - Method for determining the nominal and the maximum
allowable recorded levels
D - Representation of 8-bit bytes by 10-bit patterns
E - Measurement of bit shift
F - Method of measuring the straightness of track edges
G - ECC calculation
H - Recommendations for transportation
J - Read-After-Write
K - Example of the content of a Basic Group No. 0
L - Examples of MIC chip