Interleaved 2 of 5 Introduction

This page concerns basic information of Interleaved 2 of 5, as well as its generating and printing components.

Interleaved 2 of 5 Overview


This part talks about the Interleaved 2 of 5 barcode (also known as I 2 of 5). It is a continuous, two-width and numbers-only barcode type. It is widely used in the distribution and warehouse industry.



 

Generating and Printing Interleaved 2 of 5 Barcodes

OnBarcode provides comprehensive Interleaved 2 of 5 generators and scanner components for Java, .NET, Android, iOS developments and several reporting applications.

Interleaved 2 of 5 Structure

The structure of Interleaved 2 of 5 is as below:


Interleaved 2 of 5 Barcode Size Setting

As for Interleaved 2 of 5 size setting, two factors should be considered: barcode width and height.

Please get details from Interleaved 2 of 5 size setting instruction.


Interleaved 2 of 5 Data Encoding

Interleaved 2 of 5 encodes:
  • 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Characters are encoded as pairs in Interleaved 2 of 5. The adjacent two characters are encoded into a unit of 5 interleaved bars and spaces, two of which are wide. The first numeric data is encoded into bars while the second numeric data is encoded into spaces. Thus, an even number of digits are always required for Interleaved 2 of 5. As for an odd number of characters, add a zero before the first digit or use five narrow spaces in the last digit.


Interleaved 2 of 5 Mod 10 and Bearer bars

Interleaved 2 of 5 Mod 10

Interleaved 2 of 5 Mod 10 is an optional check character, which is added as the last character in the bar code. When it is used, a zero should be added as the leftmost character since interleaved 2 of 5 is even number length.

Bearer Bars

Bearer bars are optionally included in case of a partial scan, shown as a rectangular frame around the bar code or two perpendicular bars at the top and bottom of the bar code.











Various Standards based on Interleaved 2 of 5 Barcode Symbology

Several industries or companies defined their own standards based on Interleaved 2 of 5 barcode symbology.

  • ITF-14
  • Identcode
  • Leitcode




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