User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 10 – Online transaction messages with DUKPT 2015-04-20
Page242
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message 63 Pre-authorization Amount Authorization Response
Format: <STX>63[Confirm] <ETX>[LRC]
Message length: Fixed 6 bytes.
Usage: Send Authentication Code and the confirmation of transaction amount to HOST.
Message element:
Field Length Value and description
<STX> 1 <02>
63 2 Message ID
[Confirm] 1 ‘0’ OK, ‘1’ denied.
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
Please reference message60.