AML 2500, User Manual

Page: 70 / 81

G - 1
APPENDIX G - INTERLEAVED 2 of 5 SPECIFICATIONS
The Interleaved 2 of 5 bar code symbology is a numeric code (0 - 9) which has
different start and stop characters. The name Interleaved 2 of 5 is derived from the
fact that two characters are paired together using the bars to represent the first
character and spaces to represent the second. Each character has two wide
elements and three narrow elements.
CHARACTERISTICS:
Character Set: Numeric only (0 - 9)
Symbol Length: Variable (must be an even number of digits)
Check Digit: Optional
Bi-directional Decoding: Yes
Maximum Density: 18 char./inch
(using .0075 inch narrow element)
CHARACTER SET:
The following table illustrates the data patterns. A "1" represents a wide bar or space
and a "0" represents a narrow bar or space.
CHARACTER PATTERN
0 00110
1 10001
2 01001
3 11000
4 00101
5 10100
6 01100
7 00011
8 10010
9 01010
start 0000
stop 100
0123456789