User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06

Section 13 – JPEG File Operation messages 2015-04-20

Page305

Uniform Industrial Corp. Proprietary and Confidential Total 342 pages

Response frame (PIN Pad to HOST)

Field Length Value and description

J2 2 Message ID

[Status_1] 1 '0': Success, '1': Failure, '2': Format error.

<FS> 1 <1C>, field separator (optional)

[Status_2] 1 '0': Success, '1': Failure. (optional)

<FS> 1 <1C>, field separator (optional)

………………… …….. …………………………………..

[Status_N-1] 1 '0': Success, '1': Failure. (optional)

<FS> 1 <1C>, field separator (optional)

[Status_N] 1 '0': Success, '1': Failure. (optional)

[LRC] 1 Checksum

Message flow:

HOST Direction PIN Pad

Message J2





<ACK> (Good LRC)

<NAK> (Bad LRC)

<EOT> (after 3 NAKs)



Message J2

