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

Page210

Uniform Industrial Corp. Proprietary and Confidential Total 342 pages

Z2 request frame (authenticated mode with fixed prompt)

Field Length Value and description

Z2 2 Message ID

<GS> 1 <1D>, mark of authenticated frame with

fixed prompt.

Prompt ID 3 Prompt ID that corresponds to fixed

prompt provided by PIN pad.

Decimal string: 001 ~ 999.

<SUB> 1 <1A> (optional)

When <SUB> exists, PIN pad will clear

screen contents.

[LRC] 1 Checksum

Z2 request frame (PIN entry mode with fixed prompt)

Field Length Value and description

Z2 2 Message ID

<RS> 1 <1E>, mark of PIN entry frame with fixed

prompt.

Prompt ID 3 Prompt ID that corresponds to fixed PIN

entry prompt provided by PIN pad.

Decimal string: 001 ~ 999.

PIN pad will clear clear screen contents.

[LRC] 1 Checksum