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
Page142
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message T64 Get Transaction Result’s Data Response
Format: <STX>T64[Pkt NO.][Total Pkt][DO]<ETX>[LRC]
Message length: Var.
Usage: The message contains the transaction result’s data to be sent to host.
Message element:
Field Length Value and description
<STX> 1 <02>
T64 3 Message ID
[Pkt NO.] 1 Decimal. Packet sequence number (1 ~ 9).
[Total Pkt] 1 Decimal. Total packets (1~9).
[DO] Var. Data Object, each data object is expressed
by TLV format with an <FS> delimit in
each field, and <SUB> is used to delimit
each object. For example:
9F12<FS>0F<FS>CREDITO DE
VISA<SUB>9A<FS>06<FS>050806<SU
B>…….
<ETX> 1 <03>
[LRC] 1 Checksum
Data Object:
PIN pad will return series of data object that list on the [DOL] field in the message T64 with TLV (tag ||
length|| value) format as below:
[EMV Tag Number (2 ~ 8 byte)] <FS> [Length (2byte)] <FS> [Value] <SUB>
[EMV Tag Number (2 ~ 8 byte)] <FS> [Length (2byte)] <FS> [Value] <SUB>
. . . . . . . .
[EMV Tag Number (2 ~ 8 byte)] <FS> [Length (2byte)] <FS> [Value].
Note: When PIN Pad response these data object, it will convert these value from binary value to hex
decimal string if the data object format is “b” or “cn” or “n”.
Message flow: Please refer to message T63.