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Appendix C
Page 115
A
PPENDIX
C
B
AR
C
ODE
L
ABEL
S
PECIFICATION
This appendix provides specifications for creating bar code labels used on cartridges in Plasmon AIT
libraries. The specifications are defined to both standardize the label and allow users the option of
purchasing or printing their own labels.
Overview
The AIT cartridge label uses the bar code symbology of USS-39. A description and definition of
this symbology is available from the Automatic Identification Manufacturers (AIM) specification
Uniform Symbol Specification (USS-39) and the ANSI MH10.8M-1993 ANSI Barcode
specification.
Bar Code Characters
Print the bar code in accordance with the latest revision of the ANSI MH10.8M specification (Code 3-of-9).
The bar code can have between seven and nine characters as shown in the following table.
Checksum Character
NOTE
The checksum character is mandatory to these labels.
The checksum character is computed as the character corresponding to the modulus 43 sum of all the
values in the eight character section of the bar code. Character values are derived from the following table.
Top 1 start character
4 to 6 alphanumeric characters, which you select
from the following table.
1 checksum character
Bottom 1 stop character.