ANSI INCITS 48 : 1986 : R2017

1 Scope and Purpose
  1.1 Scope
  1.2 Purpose
2 Referenced Standards
  2.1 American National Standards
  2.2 Other Standards
3 Definitions
4 Environment and Transportation
  4.1 Testing Environment
  4.2 Operating Environment
  4.3 Transportation and Storage Environment
  4.4 Transportation
5 Characteristics of Tape
  5.1 General
  5.2 Mechanical Properties
  5.3 Tests of Magnetic Properties
  5.4 Electrical Surface Resistance
6 Tape Cassette
  6.1 Identification of Cassette Sides
  6.2 Mechanical Characteristics
  6.3 Basic Specifications
  6.4 Labeling of Tape Cassettes
  6.5 Magnetic Properties of the Cassette Housing
7 Recording
  7.1 Method of Recording
  7.2 Equipment
  7.3 Density of Recording
  7.4 Flux Transition Spacing
  7.5 Signal Amplitude
  7.6 Number of Elongated Gaps
  7.7 Alignment Error
  7.8 Tape Winding Torque
  7.9 Residuals of Previous Recordings
8 Format
  8.1 Number of Tracks
  8.2 Track Dimensions
  8.3 Track Designation
  8.4 Use of Tracks
  8.5 Byte and Code Requirements
  8.6 Recorded Block
  8.7 Control Block
  8.8 Gaps
Appendixes
Appendix A Layer-to-Layer Adhesion
Figure A1 Setup for Layer-to-Layer Adhesion Test
Appendix B Measurement of Light Transmittance
Figures
Figure B1 Diagram of Device for Measurement of Light Transmittance
Figure B2 Measuring Mask

Provides the minimum requirements for mechanical and magnetic interchangeability of the cassette and for data interchange between information processing systems, which are capable of utilizing a standard code for information interchange as agreed upon by the interchange parties, using a data density of 32 bpmm (800 bpi).