Spectra Logic Spectra T950V User Manual page 497

Appendix C — Specifications
Detailed Specifications for LTO Cartridge Barcodes
Figure 265 shows the dimensional specifications for LTO labels with the
alphanumeric characters above the barcode.
Barcode start character
17 mm
+0/–0.8
Quiet Zone Quiet Zone
4.32 mm,
minimum
Figure 265 Barcode specifications for LTO media; alphanumeric characters on top.
LTO Barcode Element Specifications
For the official IBM barcode label specification, see www‐01.ibm.com/
support/docview.wss?uid=ssg1S7000429. Unless otherwise specified,
tolerances are X.XXX ± 0.127 mm, X.XXX ± 0.762 mm.
 Minimum symbol height is 11.1 mm, measured to the inside of the
 The wide‐to‐narrow ratio is 2.75.
 The narrow element width is 0.432 mm +0.03 mm or –0.076 mm.
 The nominal width of the wide spaces and bars is 1.188 mm.
 The inter‐character gap is 0.432 mm +0.03/–0.076 mm.
 The minimum quiet zone at the beginning and end of a printed barcode
 The total nominal barcode string length (including quiet zones) is
 The edge of the barcode is the edge of the printed area associated with
 Variation between all bars, white and black, must be less than ±0.0381 mm.
August 2019
Alphanumeric
74.088 mm, nominal
79 mm +0/–.8
Note: When using barcode labels with alphanumeric characters along
the bottom edge, the label must be positioned so that barcode is
at least 13.72 mm below the top edge of the cartridge to ensure
that the barcode reader can read the label.
label's edge.
string is 4.32 mm (10 times the narrow element width).
74.088 mm.
the bar. The edge roughness is the transition encountered as a
horizontal line is moved vertically from all black to all white. The edge
roughness maximum is 0.038 mm.
Tape Drive and Media Specifications
characters
User Guide—Spectra T950V Library
Barcode stop character
11.1 mm,
minimum
Quiet Zone
4.32 mm,
minimum
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