User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 9 – Online transaction messages with Master / Session keys 2015-04-20
Page213
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Z3 request frame (authenticated mode or PIN entry mode)
Field Length Value and description
<STX> 1 <02>
Z3 2 Message ID
<GS> or <RS> 1 <1D> for authenticated mode
<1E> for PIN entry mode
(In these mode, PIN Pad will clear
screen content.)
[Prompt ID1] 3 Prompt ID that corresponds to fixed
prompt provided by PIN pad.
Decimal string: 001 ~ 999.
<FS> 1 <1C>, field separator
[Prompt ID2..7] 3 Prompt ID that corresponds to fixed
prompt provided by PIN pad.
Decimal string: 001 ~ 999.
Note. <FS> is required between
prompt ID.
<ETX> 1 <03>
[LRC] 1 Checksum
Z3 response frame (authenticated mode)
Field Length Value and description
<STX> 1 <02>
Z3 2 Message ID
[status] 1 ‘0’: OK
‘1’: Prompt ID not supported.
<ETX> 1 <03>
[LRC] 1 Checksum