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MT-95 RS-232 HiCo/LoCo Encoder/Reader
34
Secure Mode
In some applications it may be necessary to ensure that the information that is encoded onto a
card goes back onto the same card that it came from. This may occur in a financial institution
when a customer’s card is read and only a portion of the track data is modified, such as with a
PIN change. In this case the MT-95 will ensure that the card is not removed from the unit
between the read and encode operations. This will help to prevent
skimming
of cards.
If the card is removed before the encode operation, the unit will send an error message indicating
that the card has been moved and the operation has been aborted. The error message is:
<STX>M<ETX>
.
This mode is selected from the PC by sending the “/S” command.
TRACK CHARACTER SETS
Tables 4-1 and 4-2 show Track 1/3 and 2/3 character sets. In these tables the following
mnemonics are used:
(SS) = Start Sentinel
(ES) = End Sentinel
(FS) = Field Separator
Содержание MT-95
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