ISO 7811-4 PDF

ANSI/ISO/IEC Identification Cards – Recording Technique – Part 4: Location of Read-Only Magnetic Tracks – Tracks 1 and 2. ISO/IEC Identification cards — Recording technique is a set of nine ( to ) standards describing the recording technique on identification cards. Find the most up-to-date version of ANSI/ISO /4 at Engineering

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Track 1 and 2 of the Driver’s License Magnetic Stripe format conform to the original formatting standards used by the Banking and Credit Card industry. Magnetic Strip Encoding Standards.

The data is read least significant bit first. Track 1 contains the customer’s name in addition to the account number and expiration iiso recorded at higher density. In the early years of Magnetic Stripe technology, data was recorded at lower density to increase read-reliability.

While the information contained on each track may be only slightly different, the field order, field lengths, and method of field separation 78811-4 termination differs significantly.


ISO Specification – No longer in use.

ISO | Standards Council of Canada – Conseil canadien des normes

Site Search Upcoming Events. ISO defines the physical characteristics of the card. Account Number Name Expiration Date.

Account Number Expiration Date. This table is only an overview of what data fields are contained on the three tracks of a magnetically coded driver’s license.

Low density data is still recorded on track 2 for compatibility with older-technology readers and provide redundancy when reading with newer-technology readers. Below will be found a brief synopsis of some Magnetic Strip Encoding Standards. Track 3, originally an alternate numeric-only track, is no longer used in the Banking and Credit Card format. Other custom utilizations are also possible and appropriate.

ISO/IEC 7811

Physical Plastic Card 2. Physical Dimensions of Cards: Recording Density bits per inch. Information Content including control characters. The information below is abstracted from these standards. Full copies of these standards can be pruchased from www.

Note also the redundancy:. Call Abacus 21 for further details.

Note from the table below that Magnetic Stripe Readers used for acquiring Credit Card data need only to read tracks 1 or 2 from the card. Readers with both track 1 and 2 are recommended for acquiring Credit Card data since redundancy 78114 the authorization process to compare account information on both tracks and also fallback to the lower density track ieo if the reader is unable to decode track 1 due to damaged track data on the card.


Tracks 1 and 3 read alphanumeric data at bpi, while track 2 reads numeric data only at 75 bpi. Lower-density data recorded on track 2 contains only the account number and expiration date. In order to encode the additional alpha-numeric information required on the Driver’s License, the specification was revised to permit alpha-numeric information to be encoded on track 3.

As a general rule, data on Magnetic Cards conforms to the encoding format for financial transaction cards ISO Character Configuration including parity bit.

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