Omnitron Systems Technology RS-232 user manual Magnetic Stripe Preamble, Magnetic Stripe Postamble

Magnetic Stripe Preamble

0 to 16 ASCII characters: The magnetic stripe preamble is a string of charac- ters that can be added to the beginning of magnetic stripe data. These can be special characters for identifying a specific reading station, to format a mes- sage header expected by the receiving host. They can be any characters from the full ASCII table. (Please see Appendix D.)

SELECTION CODE: D2

One Character at a time

Magnetic Stripe Postamble

0 to 16 ASCII characters: The magnetic stripe postamble serves the same purpose as the preamble, except it is added to the end of the read data after any terminator characters.

SELECTION CODE: D3

One Character at a time

EXAMPLE:

To set a four-character magnetic stripe preamble of ABCD, enter: /E/D/FD<ENTER>D2<ENTER>A<ENTER>B<ENTER>C<ENTER> D<ENTER>DZ<ENTER>

Note: For CR, use CTRL-N (ASCII code 14h).

13