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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Readers with both track 1 and 2 are recommended for acquiring Credit Card data since redundancy permits the authorization process to compare account information on both tracks and also fallback to the lower density track data isso the reader is unable to decode track 1 due to damaged track data on the card.

Other custom utilizations are also possible and appropriate. Note also the redundancy:. Full copies of these standards can be pruchased from www. In the early years of Magnetic Stripe technology, data was recorded at lower density to increase read-reliability.

Below will be found a brief synopsis of some Magnetic Strip Encoding Standards. Physical Dimensions of Cards: As a general rule, data on Magnetic Cards conforms to the encoding format for financial transaction cards ISO Account Number Name Expiration Date. Tracks 1 and 3 read alphanumeric data at bpi, while track 2 reads numeric data only at 75 bpi. 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.


Recording Density bits per inch.

iiso The data is read least significant bit first. Information Content including control characters. The information below is abstracted from these standards. Character Configuration including parity bit. While the information contained on each track may be only slightly different, the field order, field lengths, and method of field separation and termination differs significantly.

ISO | Standards Council of Canada – Conseil canadien des normes

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

Track 3, originally an alternate numeric-only track, isi no longer used in the Banking and Credit Card format. Account Number Expiration Date. ISO defines the physical characteristics of the card.

ISO/IEC 7811-4:1995

Physical Plastic Card 2. ISO Specification – No longer in use.


Call Abacus 21 for further details. Low density data is still recorded on track 2 for compatibility with older-technology readers and provide redundancy when reading with newer-technology readers.

Standards Council of Canada

Track 1 contains the customer’s name in addition to the account iao and expiration date recorded at higher density. Lower-density data recorded on track 2 contains only the account number and expiration date. Magnetic Strip Encoding Standards. 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.

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