2-28 Theory of Operation
Summary of Specifications
The preceding sections describe where magnetic data can reside on a card. This
section describes the general format of that magnetic data. The following table
summarizes the data specifications for the primary standards.
ISO/IEC 7811
JIS Type I
JIS Type II
Parameter
Track 1 Track 2 Track 3 Single Track
Bit Density 210 75 210 210
Total Length 79 40 107 72
Record
Length
76 37 104 69
Data Type
7-bit
A/N
5-bit N 5-bit N
7-bit A/N
Start
Sentinel
% ; ; DEL
End Sentinel ? ? ? DEL
Field
Separator
^ = =
Word Parity ODD EVEN
LRC Parity EVEN EVEN
N = Numeric character set
A/N = Alphanumeric character set
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