Epson PLQ-30 User Manual page 128

Recording layout of magnetic stripe
DIN/ISO, IBM3604, ANSI, ISO7811, IBM4746, and ISO8484
1 block format
SOM
Erase L0
I
2 block format
SOM
Erase L0
I
Direction of bit pattern
Data
EOM
1st Data
1st Block Data Area
LRC
EOM
LRC
SOM EOM
Gap0 2nd Data
2nd Block Data Area
LRC
PLQ-30/PLQ-30M User's Guide
T0 Erase
T0 Erase
Product Information 128