Chapter 3: System Specifications
Barcode Requirements
Scalar i6000 Planning Guide 69
Barcode Requirements
Cartridges must have an external barcode label that is machine-readable
to identify the volume serial number. A barcode must use only
uppercase letters A to Z and/or numeric values 0 to 9. The library
supports Code 39 (3 of 9) type barcode labels.
For LTO media barcodes, the library dynamically supports 1 to 14
characters for volume serial number plus a two-character media type
identifier. The image below is an example of a supported LTO barcode
label.
Note: A 14-character barcode label length may not be printable
according to the Code 39 label specifications for the tape
cartridge area to which the label is attached. The effective tape
cartridge barcode label length, including any media ID, may be
limited to a maximum of 12 characters.
Quantum-supplied barcode labels will provide the best results. Barcode
labels from other sources can be used, but they must meet the
following requirements:
• ANSI MH10.8M-1983 Standard
• Number of characters: 6+2 (LTO)
• Background reflection: greater than 25 percent
• Print contrast: greater than 75 percent
• Ratio: greater than 2.2
• Module: >=.254 mm
• Print tolerance: ± 57 mm
Additional Requirements:
• Height of the visible portion of the barcode: 10 mm ±2 mm
• Length of the rest zones: 5.25 mm ± 0.25 mm
two-character media
identifier (L1, L2, L3,
L4, or L5, L6, LT, LU,
LV)
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