Manual

43
ISO 7811 magnetic encoding standards
Track # Separator Density Character set Number of characters
Track 1 ^ 210 ppp
1
Alphanumeric(ASCII 20-95)
2
79
3
Track 2 = 75 ppp
1
Numeric(ASCII 48-62)
2
40
3
Track 3 = 210 ppp
1
Numeric(ASCII 78-62)
2
107
3
1
bits per inch
2
Except for the “?“ character
3
Including the start, stop and LRC characters which are automatically handled by the magnetic encoder.