INCITS/ISO/IEC 22050 : 2002
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
01-01-2002
Section 1 - General
1 Scope
2 Conformance
2.1 Magnetic tape cartridge
2.2 Generating system
2.3 Receiving system
3 Normative references
4 Terms and definitions
4.1 Access Point
4.2 algorithm
4.3 algorithmically processed data
4.4 a.c. erase
4.5 Average Signal Amplitude
4.6 back surface
4.7 Beginning of Tape (BOT)
4.8 Beginning of Wrap (BOW)
4.9 bit
4.10 bit cell
4.11 Broad Band Signal-to-Noise Ratio (BBSNR)
4.12 byte
4.13 cartridge
4.14 Channel bit
4.15 Codeword
4.16 Codeword Pair
4.17 Codeword Quad (CQ)
4.18 CQ Set
4.19 cyclic redundancy check (CRC) character
4.20 Data Set
4.21 Data Set Information Table (DSIT)
4.22 End of Data (EOD)
4.23 End of Tape (EOT)
4.24 End of Wrap (EOW)
4.25 Error Correcting Code (ECC)
4.26 File Mark
4.27 flux transition position
4.28 flux transition spacing
4.29 forward tape motion
4.30 header
4.31 Housekeeping Data Set
4.32 logical foreword
4.34 Logical Point
4.35 magnetic tape
4.36 Master Standard Reference Tape (MSRT)
4.37 LTO Cartridge Memory (LTO CM)
4.38 Optimum Recording Current
4.39 physical end of tape
4.40 physical forward
4.41 physical reverse
4.42 pre-record condition
4.43 processed data
4.44 Processed Record
4.45 Processing (Compression)
4.46 Protected Record
4.47 Record
4.48 recorded element
4.50 Reprocessing (Decompression)
4.51 reverse tape motion
4.52 run length limited encoding (RLL)
4.53 Secondary Standard Reference Tape (SSRT)
4.54 servo acquisition region
4.55 Standard Reference Amplitude (SRA)
4.56 Symbol
4.57 Synchronised Codeword Quad (SCQ)
4.58 Test Recording Density (TRD)
4.59 wrap
4.60 write equalisation
4.61 (1,7) RLL code
5 Conventions and notations
5.1 Representation of numbers
5.2 Dimensions
5.3 Names
5.4 Alphanumeric string encoding
6 Acronyms
7 Environment and safety
7.1 Cartridge and tape testing environment
7.2 Cartridge operating environment
7.3 Cartridge storage environment
7.4 Tape tension
7.5 Safety
7.6 Flammability
7.7 Transportation
Section 2 - Requirements for the Cartridge
8 Dimensional and Mechanical Characteristics of the Cartridge
8.1 Elements of the cartridge
8.2 Reference Planes of the case
8.3 Dimensions of the case
8.4 Write-inhibit mechanism
8.5 Flexibility of the case
8.6 Tape reel
8.7 Magnetic tape
8.8 Leader pin assembly
8.9 LTO CM
8.10 Areas reserved for cartridge presence sensing
8.11 Handling grips and insertion indicator
8.12 Pad Printing Areas
8.13 Opacity
Section 3 - Requirements for the Unrecorded Tape
9 Mechanical, physical and dimensional characteristics
of the tape
9.1 Materials
9.2 Tape length
9.3 Tape Width
9.4 Tape Thickness
9.5 Longitudinal curvature
9.6 Edge Quality
9.7 Tape flatness
9.8 Coating adhesion
9.9 Layer-to-layer adhesion
9.10 Coefficient of friction
9.11 Surface quality
9.12 Abrasivity
9.13 Tensile strength
9.14 Longitudinal compliance
9.15 Residual elongation
9.16 Flexural rigidity
9.17 Transverse dimensional stability
9.18 Electrical resistance of coated surfaces
10 Magnetic Recording Characteristics
10.1 General
10.2 Test conditions
10.3 Optimum Recording Current
10.4 Signal amplitude
10.5 Resolution
10.6 Overwrite
10.7 Ease of erasure
10.8 Broad Band Signal-to-Noise Ratio
10.9 Tape quality
Section 4 - Requirements for an Interchanged Tape
11 Method of recording servo bands
11.1 General
11.2 Servo bands
11.3 Servo frame encoding
11.4 Servo band location
11.5 Servo band pitch
11.6 Nominal servo locations
11.7 Long-term average servo location
12 Method of recording data tracks
12.1 Physical recording density
12.2 Nominal bit cell length
12.3 Long-term average bit cell length
12.4 Short-term Average Bit Cell Length (STA)
12.5 Rate of change of the STA
12.6 Bit shift
12.7 Recording performance test conditions
12.8 Track sequence addressing
12.9 Location of data tracks
12.10 Track width
12.11 Adjacent track pitch
12.12 Azimuth
12.13 Total character skew
12.14 Channel Layout
13 Format
13.1 General
13.2 Protected Record
13.3 Processed Protected Record Sequence
13.4 Data Set
13.5 Data Set Information Table (DSIT)
13.6 ECC
13.7 Codeword Quads (CQ)
13.8 Allocation of CQs to Logical Tracks
13.9 Data randomisation
13.10 RLL encoding
14 Recording of data on tape
14.1 Synchronised Data Set
14.2 Write equalisation bit encoding
14.3 Writing cells on tape
15 Regions on tape
15.1 Logical Points and regions
15.2 Calibration Region
15.3 User Data Region
15.4 Interrupted Data Sets
15.5 Repeated CQ Sets
15.6 Amble CQs
15.7 Beginning of Wrap (BOW)
15.8 End of Wrap (EOW)
15.9 Appending and Overwriting
15.10 Servo Tracking Faults
Annexes
A - Measurement of Bit Shift
B - Measurement of Broad Band Signal-to-Noise Ratio
C - Tape Abrasivity Measurement Procedure
D - LTO Cartridge Memory
E - Flexural Rigidity Procedure
F - LTO CM electrical interface
G - Recommendations for transportation
H - Inhibitor Tape
I - Vendor code lists
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