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Basic Info
| Model No. | barcode scan online |
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Product description
Code 11, also known as USD-8, is a high-density, discrete symbology that is primarily used for the labeling of telecommunications equipment. It was invented by David Allais of Intermec Corporation in 1977.
Because of the natural density of Code 11, printing imperfections can cause scanners to misread characters. To compensate for this limitation, Code 11 supports the use of one or two optional checksum digits. For data inputs that have fewer than 10 numeric characters, a single checksum digit is used, and for 10 or more digits, two checksum digits are used. The first digit is based on the modulo 11 algorithm, and the second is based on the modulo 9 algorithm.
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