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

Page252

Uniform Industrial Corp. Proprietary and Confidential Total 342 pages

Message 76 PIN Entry Test Request

Format: <STX>76[account]<FS>[DC Ind][amount]<ETX>[LRC]

Message length: Variable 19 to 34 bytes.

Usage: This message is designed to do DUKPT continuous PIN entry test. PP791 will send

message71 assuming a PIN of ‘1234’.

Message element:

Field Length

Value and description

76 2 Message ID

[Account] 8..19 Primary account number

<FS> 1 <1C>, field separator

[DC Ind] 1 D/C: Debit/Credit Indicator

[Amount] 4..8 Amount of goods to be displayed on PIN pad.

[LRC] 1 Checksum

Message flow: This message is identical to message70 except that a PIN of ‘1234’ is used instead of

getting keypad input.