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ANSI INCITS 203 : 1992 : R2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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INFORMATION SYSTEMS - HELICAL-SCAN DIGITAL COMPUTER TAPE CARTRIDGE FOR INFORMATION INTERCHANGE (3.81 MM (0.150 IN) DIGITAL DATA STORAGE (DDS) RECORDED FORMAT)
Hardcopy , PDF
23-04-2024
English
01-01-2017
Foreword
1 Introduction
1.1 Scope
1.2 Purpose
1.3 Conformance
2 Normative references
3 Definitions
4 Modulation and recording parameters
4.1 Modulation
4.2 Spacer signals
4.3 Recording parameters
4.4 Bit-cell length
4.5 Bit shift
5 Track configuration and patterns
5.1 Track configuration
5.2 Signal allocation
5.3 Tracking scheme
6 Main data area configuration data
6.1 Synchronization pattern
6.2 Main ID
6.3 Main ID parity
6.4 Main data
6.5 Error correction and detection code (C1, C2)
7 Main data layout
7.1 Header contents
7.2 User Data Area
8 Sub area
8.1 Synchronization pattern
8.2 Sub ID
8.3 Sub ID parity
8.4 Sub data
8.5 Sub data configuration
8.6 Error correction and detection code (SP)
8.7 Pack Item
8.8 Pack Item location for data area
8.9 Pack Item location for System Log
8.10 Pack item location for Items 3 and 4 areas only
9 Group format definition
9.1 Overall structure
9.2 Data frames
9.3 Index
9.4 ECC frame
9.5 Amble Frame
9.6 Randomizing
9.7 C1, C2, C3, Randomizing, Checksum, and Interleave
9.8 Vendor group
9.9 Indexing definition
10 Tape layout
10.1 Single data space tape
10.2 Two-Partition Tape
10.3 Reference and System Area
10.4 EOD, LEOT, and VEOT
10.5 Repeated frames
10.6 N-Group writing
10.7 Appending
Annexes
A Measurement of bit shift
B Track leading edge linearity measurement
C Read-After-Write (RAW)
D Randomizer circuit
E Group example
F Vendor Group example
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