Magtek DynaFlex II Go Programmer's Manual page 43

4 - Data Types and Shared TLV Data Objects
•
The string of s is the Service Code. For swiped credit / debit cards, this comes from the card.
8
Manually entered data uses
•
The remaining characters (
data is of varying length and content and comes from the card, and must be interpreted according to
the standards established by issuers, payment brands, and so on. Manually entered track data uses a
MagTek standard for Discretionary Data as follows:
o The string of
or 4 characters long and is not padded, so the host software must find it by using the fixed-
length padding and sentinels that surround it.
o The strings of
and five zeroes after the CVV2; Track 2 has three zeroes after the Service Code, and two
zeroes after CVV2.
o The contains either a 0 or a 1. This Field Option tells what data is included in the track
6
data, where 0 = Acct, Date, CVV and 1 = Name on Card, Acct, Date, CVV.
DynaFlex II Go| Secure Card Reader | Programmer's Manual (COMMANDS)
.
000
s, s, and ) are Discretionary Data. For swiped debit / credit cards this
0 4 6
s is the CVV2 a cardholder or operator entered on the keypad. This may be 3
4
s are literals of fixed length: Track 1 has three zeroes after the Service Code,
0
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