Section 3. Operation; Led Indicator; Card Read; Reader To Host Message Format - Elo TouchSystems Entuitive ET1725L Series User Manual

Included in this section are Indicator, Card Read, Reader to Host Message Format, and a timing
diagram of sign-on ID.

LED INDICATOR

A green LED indicator on the panel gives the operator the status of the Reader. If the cabling is
correct and the correct Com Port is selected, the indicator will be on. If the indictor does not
come on, check the cabling and the Com Port. The LED is turned off during a card swipe and
while the unit is transmitting.

CARD READ

A card may be swiped through the Reader slot when the green LED is lit. The magnetic stripe
must face toward the front (the side with the LED) and may be swiped in either direction.

READER TO HOST MESSAGE FORMAT

Track data is sent in the following order: SS, Card Data, ES.
The format in which data is transmitted (in track order) after a card is read successfully is as
follows:
Start Sentinel Character
Table 3-1 lists Start Sentinel and End Sentinel symbols.

SECTION 3. OPERATION

SS CARD DATA
Card Data or "E" (for Error)

Table 3-1. SS and ES Track Symbols

Start Sentinel End Sentinel
%
;
+
#
!
ES
End Sentinel
Description
? Track 1
? Track 2
? Track 3 - ISO
? Track 3 - AAMVA
? Track 3 - CDL
CR
Carriage Return
9