Bar code symbology characteristics – IntelliTrack Stockroom Inventory User Manual
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Bar Code Symbology Characteristics
summarizes the characteristics of different bar code symbologies.
TABLE 17.
Characteristics of Bar Code Symbologies
Symbology
Length
Checksum*
Characters**
Notes
Code 39
2-30
NR
N,U,P
Most common bar code.
Code 128
2-30
Auto
N,U,L,P,C
Best for full ASCII character set
Int. 2 of 5
2-30
Recmd
N
Most dense numeric code
UPC-A
11,13,16
Auto
N
Grocery industry standard
UPC-E
11,13,16
Auto
N
Small packages
EAN/JAN-13
12,14,1
7
Auto
N
UPC + Country Code (13 chars)
EAN/JAN-8
7,9,12
Auto
N
UPC + Country Code (8 chars)
Ext 39
2-30
NR
N,U,L,P,C
Lower Case & Control Charac-
ters
Codabar
2-30
NR
N
Requires start/stop A,B,C or D
Postnet
5,9,11
Auto
N
Positioning critical
MSI
2-30
Recmd
N
Very durable
Code 93
2-30
NR
N,U,P
Higher density Code 39
Ext 93
2-30
NR
N,U,L,P
Includes extended character
set
UCC-128
19
Auto
N
UPC shipping containers
*Checksum
**Characters Encoded
Auto = Automatic Checksum - Always req’d
NR = Not Recommended - Self Checking
Recmd = Checksum Highly Recommended
N = Numbers (0-9)
U = Upper Case (A-Z)
L = Lower Case (a-z)
P = Punctuation
C = Control Characters (<32)
2289.book Page 326 Thursday, July 9, 2009 2:35 PM