User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06

Section 6 – Contact EMV Level 2 transaction messages 2015-04-20

Page84

Uniform Industrial Corp. Proprietary and Confidential Total 342 pages

Message T09 EMV Config Data Query Message

Format: <STX>T09[Config Type]<ETX>[LRC]

Message length: Fixed 7 bytes.

Usage: Get the group ID of EMV application data or CA public key stored in PIN pad.

Message element:

Field Length Value and description

T09 3 Message ID

[Config Type] 1 1: All the IDs of CA public key.

2: All the IDs of EMV application data.

[LRC] 1 Checksum

Message flow:

HOST Direction PIN pad

Message T09





<ACK> (Good LRC)

<NAK> (Bad LRC)

<EOT> (after 3 NAKs)



Message T0A

<ACK>/

<NAK>/

<EOT>

