ANSI INCITS 267 : 1996 : R2001

Foreword
1 Scope, purpose, and application
2 Normative references
3 Definitions
4 Environment and safety
   4.1 Testing environment
   4.2 Operating environment
   4.3 Storage environment
   4.4 Transportation
   4.5 Safety
5 Tape mechanical, physical, and dimensional requirements
   5.1 Material
   5.2 BOT and EOT sense slots
   5.3 Discontinuities
   5.4 Width
   5.5 Total tape thickness
   5.6 Longitudinal curvature
   5.7 Out-of-plane distortions
   5.8 Cupping
   5.9 Dynamic frictional characteristics
   5.10 Length
   5.11 Straightness
   5.12 Coating adhesion
   5.13 Layer-to-layer adhesion
   5.14 Young's modulus
   5.15 Surface roughness
   5.16 Tensile strength
   5.17 Residual elongation
   5.18 Magnetic coating
   5.19 Electrical resistance of the surface
   5.20 Inhibitor tape
   5.21 Tape opacity
6 Mechanical specifications of the tape cartridge
   6.1 Cartridge case label areas
   6.2 Cartridge case locating areas
   6.3 Tape cartridge case flexibility
   6.4 Recognition notches/write protect block
   6.5 Tape-reel hub
   6.6 Metallic insert
   6.7 Brake-mechanism
   6.8 Tape winding
   6.9 Winding tension
   6.10 Tape pack circumferences
   6.11 Tape-reel moment of inertia
   6.12 Leader-block tape attachment
   6.13 Leader block pickup position
   6.14 Leader-block insertion force
   6.15 Leader-block pull-out force
   6.16 Reflection density
7 Magnetic recording performance
   7.1 Test conditions
   7.2 Typical field
   7.3 Signal amplitude
   7.4 Resolution
   7.5 Ease of erasure
   7.6 Narrow-band signal-to-noise ratio
   7.7 Tape dropouts
8 Method of recording helical tracks
   8.1 Physical recording density
   8.2 Bit shift
9 Track format
   9.1 Track positions
   9.2 Helical track width
   9.3 Helical track pitch
   9.4 Helical track angle
   9.5 Gap azimuths
10 Format
   10.1 General
   10.2 Beginning of tape (BOT)
   10.3 Scan groups
   10.4 Third level ECC scan group (ECC3)
   10.5 Density identification scan group (DID)
   10.6 Internal leader header scan group (ILH)
   10.7 Separator scan group (SEP)
   10.8 Data scan group
   10.9 Data packet format
   10.10 Pad scan group
   10.11 Tape mark scan group
   10.12 End of Data scan group
   10.13 Physical end of tape
   10.14 Rewrite
   10.15 Appends
   10.16 Blank tape
   10.17 Other write functions
11 Helical tape format
   11.1 Single tracks
   11.2 Dual azimuth tracks
   11.3 ECC (read/write data)
   11.4 Write data path
12 Longitudinal tracks
   12.1 Method of recording
   12.2 Longitudinal time code track
   12.3 Longitudinal control track
   12.4 Longitudinal reserved track
13 Helical track data format
14 Byte translation
Annexes
A Recommendations for transportation
B Measurement of light transmittance
C Measurement of bit shift
D Tape cartridge handling guidelines
E Cross tape track measurement technique
F Bar code

Specifies the requirements for a helical data storage (HDS) tape cartridge to be used for information interchange among information-processing systems, communication systems, and associated equipment utilizing a standard code for information interchange as agreed upon by the interchange parties.