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ANSI INCITS 334 : 2000
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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MAGNETIC TAPE CARTRIDGE FOR INFORMATION INTERCHANGE, 0.50 IN (12.65 MM) SERIAL SERPENTINE 128-TRACK, 62500 BPI (2460 BPMM) DLT3XT FORMAT
Hardcopy , PDF
07-02-2016
English
01-01-2015
1 Introduction
1.1 Scope
1.2 Purpose
1.3 Conformance
1.4 Dimensions
2 Normative references
3 Definitions
3.1 Average Signal Amplitude
3.2 azimuth
3.3 back surface
3.4 Beginning-Of-Tape markers (BOT 1 and BOT 2)
3.5 byte
3.6 cartridge
3.7 Cyclic Redundancy Check (CRC) character
3.8 Early Warning (EW)
3.9 Error-Detecting Code (EDC)
3.10 End-Of-Tape marker (EOT)
3.11 Entity
3.12 Error-Correcting Code (ECC)
3.13 flux transition position
3.14 flux transition spacing
3.15 Logical Block
3.16 logical track
3.17 magnetic tape
3.18 Master Standard Reference Tape
3.19 object
3.20 page
3.21 physical block
3.22 physical recording density
3.23 physical track
3.24 Record
3.25 Reference Edge
3.26 Reference Field
3.27 Secondary Standard Reference Tape
3.28 Standard Reference Amplitude (SRA)
3.29 Standard Reference Current
3.30 Test Recording Current
3.31 Typical Field
4 Conventions and notations
4.1 Representation of numbers
4.2 Dimensions
4.3 Names
5 Acronyms
6 Environment and safety
6.1 Cartridge and tape testing environment
6.2 Cartridge operating environment
6.3 Cartridge storage environment
6.4 Safety
6.5 Transportation
7 Mechanical and electrical requirements
7.1 Material
7.2 Tape length
7.3 Width
7.4 Total thickness
7.5 Discontinuity
7.6 Longitudinal curvature
7.7 Out-of-Plane distortions
7.8 Cupping
7.9 Roughness of the coating surfaces
7.10 Coating adhesion
7.11 Layer-to-layer adhesion
7.12 Modulus of elasticity
7.13 Flexural rigidity
7.14 Tensile yield force
7.15 Electrical resistance
7.16 Inhibitor tape
7.17 Abrasivity
7.18 Light transmittance of the tape and the leader
7.19 Coefficient of dynamic friction
8 Magnetic recording characteristics of the unrecorded tape
8.1 Typical Field
8.2 Signal amplitude
8.3 Resolution
8.4 Overwrite
8.5 Peak shift
9 Tape quality
9.1 Missing pulses
9.2 Missing pulse zone
9.3 Tape durability
10 Mechanical specifications of the tape cartridge
10.1 Bottom side and right side
10.2 Back side and left side
10.3 Tape reel
10.4 Tape leader and markers
10.5 Front side
10.6 Operation of the cartridge
10.7 Tape winding
10.8 Moment of inertia
10.9 Material
11 Method of recording
11.1 Physical recording density
11.2 Channel bit cell length
11.3 Flux transition spacing
11.4 Read signal amplitude
11.5 Azimuth
11.6 Channel skew
12 Tape format
12.1 Reference Edge
12.2 Direction of recording
12.3 Tape layout
12.4 Calibration and Directory Area
12.5 Data Area
13 Data format
13.1 Data Bytes
13.2 Logical Blocks
13.3 Data Blocks
13.4 Types of Logical Blocks
13.5 Entities
13.6 Logical Block format
14 Use of Logical Blocks
14.1 Data Blocks
14.2 Filler Blocks
14.3 End of Track Blocks (EOTR)
14.4 End of Data Blocks (EOD)
14.5 ECC Blocks
15 Format of Entities
16 Error handling
Tables
Figures
Annexes
A - Measurement of light transmittance
B - Generation of the Data Block CRCs
C - ECC generation
D - Generation of page CRCs
E - Format of MAP entries
F - Format of Control Field 1
G - Format of Control Field 2
H - Recommendations for transportation
J - Inhibitor Tape
K - Recommendations on tape durability
L - Handling guidelines
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