User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 7 – Contactless EMV Level 2 transaction messages 2015-04-20
Page121
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Example: (Clear the terminal configuration data and then setup new data.)
Merchant Category Code: 0000 (Numerical)
Terminal ID: SmartPOS (Ascii)
UI Capability: 0x01 (binary)
<STX>T5111<SUB>9f15<FS>6<FS>0000<SUB>9f1c<FS>3<FS>SmartPOS<SUB>
50000002<FS>2<FS>01<ETX>[LRC]
Special Tag for PIN pad: 0x50000001, 0x50000002
Name Description Format Tag Length
Terminal UI
Capability
0: Make PIN pad selects the highest
priority application without cardholder’s
confirmation.
B 50000002 1
These data object are defined in EMV Contactless Specifications v2.4,, without tag values. The tag
values are
defined by UIC.
PIN pad will check if terminal downloads minimum set of terminal-related information into PIN
pad. The download process will be failed if there is not enough data in this message. Please
refer to Appendix G for minimum set of terminal-related data
Message flow:
HOST Direction PIN pad
1
st
Message T51
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
1
st
Message T52
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
2
nd
Message T51
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
2
nd
Message T52
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)