INFORMATION SYSTEMS - UNRECORDED MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE - 4-TRACK, 0.250 INCH (6.30 MM), 1600 BPI (63 BPMM), PHASE ENCODED

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2017

Publisher

Information Technology Industry Council

1 Scope and Purpose
  1.1 Scope
  1.2 Purpose
2 Referenced Standards
  2.1 American National Standards
  2.2 Other Standards
3 Definitions
  3.1 Magnetic Tape Cartridge
  3.2 Flux Transition
  3.3 Density
  3.4 Recorded Block
  3.5 Data Block
  3.6 Interblock Gap
  3.7 In Contact
  3.8 Control Block (Tape Mark)
  3.9 Reference Alignment Cartridge
  3.10 Preamble
  3.11 Postamble
  3.12 Cyclic Redundancy Check (CRC)
  3.13 Beginning of Tape (BOT) Marker
  3.14 End of Tape (EGT) Marker
  3.15 Load Point (LP) Marker
  3.16 Early Warning (EW) Marker
  3.17 Master Standard Amplitude Reference Tape
  3.18 Secondary Standard Amplitude Reference Tape
  3.19 Standard Reference Current
  3.20 Standard Measurement Current
  3.21 Standard Reference Amplitude
  3.22 Track
  3.23 Standard Length (SL) Cartridge
  3.24 Long Length (LL) Cartridge
4 Recording
  4.1 Method
  4.2 Equipment
  4.3 Density
  4.4 Flux Transition Spacing
  4.5 Signal Amplitude
  4.6 Erase
5 Format
  5.1 Number of Tracks
  5.2 Use of Tracks
  5.3 Byte and Code Requirements
  5.4 Gaps
  5.5 Data Block Length
  5.6 Control Block (Tape Mark)
  5.7 CRC
  5.8 Useable Recording Area

Gives a format and recording standard for a 0.250-in (6.30-mm) wide 4-track, magnetic tape in a cartridge to be used for information interchange between information processing systems, communication systems, and associated equipment utilizing a standard code, as agreed upon by the interchange parties.

Committee	X3B5
DocumentType	Standard
Pages	17
ProductNote	Reconfirmed 2017
PublisherName	Information Technology Industry Council
Status	Current

IEEE 268-1992	American National Standard for Metric Practice
ISO 4341:1978	Information processing — Magnetic tape cassette and cartridge labelling and file structure for information interchange