AML M2500 Decoder - Manual (Page 79)

Recording Character Information
Density Configuration Content
(bits per inch) (includes Parity) (Max characters)
TRACK 1 210 bpi 7 bits per char. 79 alpha-numeric
TRACK 2 75 bpi 5 bits per char. 40 numeric
TRACK 3 210 bpi 5 bits per char. 107 numeric
APPENDIX K
CARD DATA FORMAT FOR TRANSACTION CARDS
NON-STANDARD USE OF MAGNETIC STRIPE DATA
Many applications exist for non-standard use of the magnetic stripe card, such
as access control, inventory, data entry, insurance information, medical, etc....
In those applications the data content, code, format and even densities can be
changed to fit the application.
K - 1
TRACK COMMON FIELD ENCODING
Start Account Field Name Field Exp Date End LRC
Sentinel Number Separator Separator & Addit'l Sentinel Char.
Data
Start Account Field Exp Date End LRC
Sentinel Number Separator & Addit'l Sentinel Char.
Data
Start Account Field Use & Addit'l End LRC
Sentinel Number Separator Security* Data* Sentinel Char.
NOTES: Track 3 Use & Security Data includes the following:
Country Code (opt) 3 or FS
Currency Code 3
Currency Exponent 1
Amt. Authorized Per Cycle 4
Amt. Remaining This Cycle 4
Cycle Begin (Validity Date) 4
Cycle Length 2
Reentry Count 1
*Pin Control Param. (opt.) 6 or FS
Interchange Control 1
Acct. No. Service Restriction 2
SAN-1 Service Restriction 2
SAN-2 Service Restriction 2
Expiration Date (opt.) 4 or FS
Card Sequence Number 1
Card Security No. (opt) 9 or FS
Track 3 Additional Data includes the following:
First Subsidiary Acct. No. (opt.)
Second Subsidiary Acct No. (opt.)
Relay Marker 1
Cryptographic Chk Digits (opt.) 6 or FS
Discretionary Data
1
2
3