User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 11 – ICC / SAM / Magnetic stripe card manipulating messages 2015-04-20
Page285
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message Q9Display SWIPE / TAP CARD message
Format: <STX>Q9<ETX>[LRC]
Message length: Fixed 5 bytes.
Usage: The PIN pad will display the prompt “SWIPE / TAP CARD” on its LCD until a card is
swiped or taped through the reader slot or Z1 message (reset state) received or CAN
key pressed.
After magnetic stripe card swiped, PIN pad will collect and decode the card data, strip
start sentinel, end sentinel, and LRC character. Then send the data to the HOST and
display “PIN PAD PROCESSING” message.
After contactless card taped, PIN pad will collect card data and send the data to the
HOST and display “PIN PAD PROCESSING” message.
NOTE: Before issue message Q9 to retrieve contactless / magnetic stripe card data
after PIN pad re-power on, issue Q4 and QA messages to enable contactless module’s
tracks and magnetic stripe reader tracks.
NOTE: The returned message will be with “81” or “83” according the source of card
data.
Message element:
Field Length Value and description
<STX> 1 <02>
Q9 2 Message ID
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
HOST Direction PIN pad
Message Q9

“SWIPE/TAP CARD” displayed
on LCD

<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)

(User swipe magnetic card)
Message 81
(User taps contactless card)
Message 83
<ACK> (Good LRC)
<NAK> (Bad LRC)
