Reader to host message format, Figure 3-1. host message format for a single track, Figure 3-2. host message format for three tracks – MagTek MT-211232 RS-232 3-TRACK User Manual

Page 22

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RS-232 Swipe Reader, 3-Track

16

If the Reader does not respond as described above, make a note of the prompts or error messages
on the display and status of the LED on the Reader. Then call MagTek Customer Assistance at
1-888-624-8350.

READER TO HOST MESSAGE FORMAT

Figure 3-1 shows the format in which data is transmitted after a card with a single track is read
successfully. Track data is sent in the following order: SS, Track Data, ES.

STX> SS

CARD

DATA

ES <CR>

<ETX>



End of Text Character

(03

Hex)

Optional.

Set SW5 to ON

Carriage

Return

Character

(OD

Hex)

Optional.

Set

SW6

to

ON.

End

Sentinel

Character

(ASCII

“?”)

Set

SW7

to

ON.

Card

Data

in

ASCII

Track

Order

Start Sentinel Character. Set SW7 to ON

(ASCII “%” for ISO Track 1)

(ASCII “;” for ISO Track 2)

(*ASCII “+” for ISO Track 3)


Start of Text Character (02 Hex)

*“+” = Other symbols may be used for Track 3, e.g., “!” , “;”, or “B”.

Figure 3-1. Host Message Format for a Single Track


Figure 3-2 shows the format in which data is transmitted after a card with all three tracks is read
successfully and switches 5, 6, and 7 are on. The output is as follows:

STX SS

TK 1

CD

TK 1

ES

TK 1

SS

TK 2

CD

TK2

ES

TK2

SS

TK 3

CD

TK 3

ES

TK 3

CR ETX

Figure 3-2. Host Message Format for Three Tracks


Where:

STX = Start of Text Character (02 Hex)
SS = Start Sentinel (See above for ASCII symbol for track)

CD = Card Data (Card Data in ASCII Track Order)
ES = End Sentinel (See above for ASCII symbol for track)
CR = Carriage Return (OD Hex)
ETX = End of Text Character (03 Hex)

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