BARCODE LABEL SPECIFICATIONS
Symbology
The barcode labeling scheme used on Spectra Logic certified media uses the barcode
symbology of USS-39. You can obtain a complete description and definition of this
symbology from the Automatic Identification Manufacturers (AIM) specification, the
Uniform Symbol Specification (USS-39), and the ANSI MH10.8M-1993 ANSI Barcode
specification.
Application and Orientation
The barcode label must be applied to the cartridge so that it fits within the label recess
on the edge of the cartridge without curling up on the sides or ends. The label must
be oriented so that the barcode characters are along the edge closest to the hub side of
the cartridge.
Printed Characters
The label can have human-readable alphanumeric characters printed along the top or
bottom edge of the label provided there is no conflict or interference with the
automation code. This text must include the barcode data, but can also include
additional text. The format and colors of the human readable characters is up to the
customer and label vendor. For location restrictions, see Detailed Specifications for
LTO Cartridge Barcodes on the next page.
Note: When using barcode labels with alphanumeric characters along the bottom edge,
the label must be positioned so that barcode is at least 13.72mm below the top
edge of the cartridge to ensure that the barcode reader can read the label.
Barcode Data
The library supports barcode data strings consisting of from 1 to 16 characters,
including an optional checksum character. Quiet zones precede and follow the start
and stop characters.
The barcode data string on standard Spectra Logic barcode labels consists of a start
character, eight alphanumeric characters, a checksum character, and the stop character.
Quiet zones precede and follow the start and stop characters.
• The first six (6) characters following the start character can be any combination of
upper case A-Z or 0-9 (for example, ABC123) to identify the cartridge Volume
Serial Number. The use of “CLN” and “DG{space}” at the beginning of the volume
identifier is reserved.
JANUARY 2023 273
SPECTRA STACK LIBRARY
USER GUIDE
APPENDIX A - SPECIFICATIONS
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