Section 1 - General
1 Scope
2 Conformance
2.1 Magnetic tape cartridge
2.2 Magnetic tape cartridge
2.3 Generating system
2.4 Receiving system
3 Normative References
4 Definitions
4.1 Absolute Frame Number (AFN)
4.2 Automatic Track Finding (ATF)
4.3 Area ID
4.4 Average Signal Amplitude
4.5 Azimuth
4.6 Back surface
4.7 Byte
4.8 Cartridge
4.9 Channel bit
4.10 Data Format ID
4.11 Early Warning Point (EWP)
4.12 End of Data (EOD)
4.13 Error Correcting Code (ECC)
4.14 Flux transition position
4.15 Flux Transition spacing
4.16 Frame
4.17 Housekeeping Frame
4.18 Logical Beginning of Tape (LBOT)
4.19 Magnetic tape
4.20 Master Standard Amplitude Calibration Tape
4.21 Master Standard Reference Tape
4.22 Optimum Recording Field
4.23 Partition boundary
4.24 Physical Beginning of Tape (PBOT)
4.25 Physical End of Tape (PEOT)
4.26 Physical recording density
4.27 Pre-recording condition
4.28 Record
4.29 Reference Recording Field
4.30 Secondary Standard Amplitude Calibration Tape
4.31 Secondary Standard Reference Tape
4.32 Separator Mark
4.33 Standard Reference Amplitude
4.34 Tape Reference Edge
4.35 Test Recording Current
4.36 Track
4.37 Virtual End of Tape (VEOT)
5 Environment and safety
5.1 Testing environment
5.2 Operating environment
5.3 Storage environment
5.4 Transportation
5.5 Safety
5.6 Flammability
Section 2 - Requirements for the case
6 Dimensional and mechanical characteristics of the case
6.1 General
6.2 Overall dimensions (figures 6 and 7)
6.3 Loading grip (figure 6)
6.4 Holding areas
6.5 Notches of the lid (figures 5 and 8)
6.6 Lid dimensions (figures 6 to 8)
6.7 Optical detection of the Beginning and End of Tape
(figures 9 and12)
6.8 Bottom side (figures 10 and 11)
6.9 Hubs (figures 15, 16)
6.10 Leader and trailer attachment
6.11 Interface between the hubs and the drive spindles
(figure 17)
6.12 Opening of the lid (figure 18)
6.13 Release of the hub locking mechanism (figures 19, 20)
6.14 Label areas (figure 21, 22)
Section 3 - Requirements for the unrecorded tape
7 Mechanical, physical and dimensional characteristics of
the tape
7.1 Materials
7.2 Tape length
7.3 Tape width
7.4 Discontinuities
7.5 Total thickness
7.6 Longitudinal curvature
7.7 Cupping
7.8 Coating adhesion
7.9 Layer-to-layer adhesion
7.10 Tensile strength
7.11 Residual elongation
7.12 Electrical resistance of coated surfaces
7.13 Light transmittance of the tape
8 Magnetic recording characteristics
8.1 Optimum Recording Field
8.2 Signal amplitude
8.3 Resolution
8.4 Overwrite
8.5 Ease of erasure
8.6 Tape quality
8.7 Signal-to-noise ratio (S/N) characteristics
Section 4 - Requirements for an interchanged tape
9 Format
9.1 General
9.2 Basic Groups
9.3 Sub-Groups
9.4 Sub Data Area
10 Method of recording
10.1 Physical recording density
10.2 Long-term average bit cell length
10.3 Short-term average bit cell length
10.4 Rate of change
10.5 Bit shift
10.6 Read signal amplitude
10.7 Maximum recorded levels
11 Track geometry
11.1 Track configuration
11.2 Average track pitch
11.3 Variations of the track pitch
11.4 Track width
11.5 Track Angle
11.6 Track edge linearity
11.7 Track length
11.8 Ideal tape centerline
11.9 Azimuth angles
12 Recording of blocks on the tape
12.1 Recorded Main Data Block
12.2 Recorded Sub Data Block
12.3 Margin Blocks, Preamble Blocks and Postamble Blocks
12.4 Spacer Blocks
13 Format of track
13.1 Track capacity
13.2 Positioning accuracy
13.3 Tracking scheme
14 Layout of a Single Data Space tape
14.1 Device Area
14.2 Reference Area
14.3 Position Tolerance Band No.1
14.4 System Area
14.5 Data Area
14.6 EOD Area
14.7 Post-EOD Area
14.8 Early Warning Point - EWP
14.9 Initialization
15 Layout of a Partitioned tape
15.1 Overall magnetic tape layout
15.2 Area ID
15.3 System Area Pack Items No. 3 and No.4
15.4 Empty Partition
15.5 Initialization of Partitioned tapes
16 Housekeeping frames
16.1 Amble Frames
16.2 System Log Frames
16.3 Tape management Frames
Annex A - Measurement of the light transmittance of prisms
Annex B - Recognition Holes
Annex C - Means to open the lid
Annex D - Measurement of light transmittance of tape and
leaders
Annex E - Measurement of Signal-to-Noise ratio
Annex F - Method for determining the nominal and the maximum
allowable recorded levels
Annex G - Representation of 8-bit bytes by 10-bit patterns
Annex H - Measurement of bit shift
Annex J - Recommendations for transportation
Annex K - Method of measuring track edge linearity
Annex L - Read-After-Write
Annex M - Example of the content of a Basic Group No. 0