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
Page132
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message T59 PCD Config Data Query Message
Format: <STX>T59[Config Type][control] <ETX>[LRC]
Message length: Fixed 7 bytes.
Usage: Get the group ID of PCD application data or CA public key stored in PIN pad.
Message element:
Field Length Value and description
<STX> 1 <02>
T59 3 Message ID
[Config Type] 1 1: All the IDs of PCD public key.
2: All the IDs of PCD application data.
[control] 1 (option)'0': Ready for next packet.
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
HOST Direction PIN pad
Message T59
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
Message T5A(Result = 3)
<ACK>/
<NAK>/
<EOT>
Message T59
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
Message T5A(Result = 0)
<ACK>/
<NAK>/
<EOT>