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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Site Search Upcoming Events. Below will be found a brief synopsis of some Magnetic Strip Encoding Standards.
Standards Council of Canada
Other custom utilizations are also possible and appropriate. Call Abacus 21 for further details.
As a general rule, data on Magnetic Cards conforms to the encoding format io financial transaction cards ISO Tracks 1 and 3 read alphanumeric data at bpi, while track 2 reads numeric data only at 75 bpi. ISO defines the physical characteristics of the card. Full copies of these standards can be pruchased from www.
The information below is abstracted from these standards.
Physical Dimensions of Cards: Physical Plastic Card 2. The data is read least significant bit first. 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. Note also the redundancy:. In the early years of Magnetic Stripe technology, data was recorded at lower density jso increase read-reliability.
Low density data is 78114 recorded on track 2 for compatibility with older-technology readers and provide redundancy when reading with newer-technology readers.
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 if the reader is unable to decode track 1 due to damaged track data on the card. Track 3, originally an alternate isso track, is no longer used in the Banking and Credit Card format. Track 1 and 2 7181-4 the Driver’s License Magnetic Stripe format conform to the original formatting standards used by the Banking and Credit Card industry.
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. While ios information contained on each track may be only slightly different, the field order, field lengths, and method of field separation and termination differs significantly.
This table is only an overview of what data fields are contained on the three tracks of a magnetically coded driver’s license. Recording Density bits per inch.
Character Configuration including parity bit. Information Content including control characters. Track isso contains the customer’s name in addition to the account number and expiration date recorded at higher density.
Magnetic Strip Encoding – Abacus 21
Lower-density data recorded on track 2 contains only the account number and expiration date. Magnetic Strip Encoding Standards. Account Number Name Expiration Date. Account Number Expiration Date. ISO Specification – No longer in use.