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
Page104
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message T22 Get Transaction Result’s Data Response
Format: <STX>T22[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>
T22 3 Message ID
[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>0508
06<SUB>…….
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow: Please refer to message T21.