NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
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8.4.2.
Contact EMV L2 Transaction Flow
1. Send Start Transaction Command. This could be 60-10 (for contact EMV in VP3300 products) or 02-40
(all modes, all products). Device will respond with
2. Send Authenticate Transaction Command.
3. If received online request from terminal, send Apply Host Response command.
4. When a transaction is completed, interface will output a TLV format data list, and transaction result
(approve, or decline, or…) will display on the LCD.
5. If you want to review the transaction result, you can send Retrieve Transaction Result Command. It will
output the TLV format data; refer to the Option Data list.
Retrieve EMV Level Two Version Number command can be sent at any time.
Cancel Transaction command (05-01) can be sent at any time if you want to terminate a transaction.
offline
Offline
Host
Reader
Start
contact
transaction command (60-10)
Start
contact
transaction response
If MSR operation , response MSR data, and transaction is
finished
Contact
Authentication transaction command (60-11)
Contact
Authentication response
Example :06 00 03 00 <TLVs>
Contact
Apply host command (60-12)
Example :72 46 05 03……
Contact
Apply host response
Online
Online
If command is OK, first response 0x63
Display or Select Menu Command (61-01)
If need select menu, response command (61-01)
If command is OK, first response 0x63
Display or PIN Entry command (61-01, 61-02)
If need PIN entry response (61-02)
If command is ok, first response 0x63
