Section 1 - General
1 Scope
2 Conformance
3 Normative references
4 Definitions
4.1 Average signal amplitude
4.2 Back surface
4.3 Beginning of Tape (BOT)
4.4 Byte
4.5 Cartridge
4.6 Cyclic Redundancy Check character
4.7 Data density
4.8 Error Correcting Code
4.9 Flux transition position
4.10 Flux transition spacing
4.11 Magnetic tape
4.12 Master Standard Reference Tape
4.13 Physical recording density
4.14 Postamble
4.15 Preamble
4.16 Reference field
4.17 Secondary Standard Reference Tape
4.18 Standard reference amplitude
4.19 Standard reference current
4.20 Test recording current
4.21 Track
4.22 Typical field
5 Environment and safety
5.1 Cartridge/Tape testing environment
5.2 Cartridge operation environment
5.3 Cartridge storage environment
5.4 Safety requirements
5.5 Transportation
Section 2 - Tape requirements
6 Characteristics of the tape
6.1 Material
6.2 Tape length
6.3 Tape width
6.4 Tape discontinuity
6.5 Total thickness of tape
6.6 Base material thickness
6.7 Longitudinal curvature
6.8 Out-of-plane distortions
6.9 Cupping
6.10 Dynamic frictional characteristics
6.11 Coating adhesion
6.12 Flexural rigidity
6.13 Electrical resistance of coated surfaces
6.14 Tape durability
6.15 Inhibitor tape
6.16 Tape abrasivity
6.17 Pre-recording condition
6.18 Magnetic recording characteristics
6.19 Tape quality
7 Dimensional and mechanical characteristics of the
cartridge
7.1 Overall dimensions (figures 4 to 6)
7.2 Write-inhibit mechanism (figures 4 and 5)
7.3 Label area of the rear side (figures 5 and 60
7.4 Label area of the top side (figure 5)
7.5 Case opening (figures 4,5,7 and 9)
7.6 Locating notches (figures 7, 8 and 10)
7.7 Locating areas (figure 7)
7.8 Inside configuration of the case around the
case opening (figures 7 and 11)
7.9 Other external dimensions of the case (figure 8)
7.10 Central window (figure 7)
7.11 Stacking ribs
7.12 Flexibility of the case
7.13 Tape reel (figures 12 and 13)
7.14 Leader block (figure 15)
7.15 Attachment of the tape to the leader block
(figure 16)
7.16 Latching mechanism (figure 17)
7.17 Tape wind
7.18 Wind tension
7.19 Circumference of the tape reel
7.20 Moment of inertia
Section 4 - Recording requirements
8 Method of recording
8.1 Physical recording density
8.2 Bit cell length
8.3 Average bit cell length
8.4 Long-term average bit cell length
8.5 Short-term average bit cell length
8.6 Rate of change
8.7 Bit shift
8.8 Total character skew
8.9 Read signal amplitude
8.10 Coincident missing pulses
9 Track format
9.1 Number of tracks
9.2 Reference edge
9.3 Track positions
9.4 Track width
9.5 Azimuth
10 Data format
10.1 Types of bytes
10.2 Frame
10.3 Data Block
10.4 Error Correcting Code (ECC)
10.5 Recording of 8-bit bytes on the tape
10.6 Recorded Data Block
10.7 Data density
11 Tape format
11.1 Density Identification Burst
11.2 ID Separator Burst
11.3 Interblock Gaps
11.4 Erase Gaps
11.5 Tape Marks
11.6 Relationship between Interblock Gaps, Erase
Gaps and Tape Marks
11.7 First and last recording on the tape
11.8 Summary of the tape format
Annexes
A Recommendations for transportation
B Inhibitor tape
C Tape abrasivity measurement procedure
D Recommendations on tape durability
E Pre-recording condition
F Representation of 8-bit bytes by 9-bit patterns
G Measurement of bit shift
H Dimensions of the cartridge