Appendix i - code 128 specifications – AML M2500 Decoder User Manual
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I - 1
APPENDIX I - CODE 128 SPECIFICATIONS
The CODE 128 symbology is a variable length alphanumeric code containing the full
128 ASCII character set. Each character is made up of 11 modules containing three
bars and three spaces. Bars and spaces can be from 1 to 4 modules wide. Three
different start characters are used to select one of three character sets. Code 128
is the bar code of choice for new applications.
CHARACTERISTICS:
Character Set: All 128 ASCII characters
4 function characters
4 code set selection characters
3 start/stop characters
Symbol Length: Variable
Check Character: 1
Bi-directional Decoding: Yes
Maximum Density: 12.1 alphanumeric char./inch
24.2 numeric digits/inch
(using .0075 inch module element)
ABCD123
0123456789
UCC-128 MOD 10 SERIAL SHIPPING CONTAINER CODE:
FORMAT:
STARTC FNC1 0000012345555555555 8 C STOP
(1)
(2)
(3)
(4) (5)
(6)
1. Start Code "C"4. MOD 10 Check Digit
2. FNC1 Character
5. MOD 103 Check Digit
3. 19 Digits
6. Stop Code
00000123455555555558