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
Page303
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
[FileName_N-1] 1-15 File name N-1 (optional)
<FS> 1 <1C>, field separator (optional)
[Status_N] 1 '0': Unselect. (optional)
'1': Select.
[FileName_N] 1-15 File name N (optional)
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
HOST Direction PIN Pad
Message J1


<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)

Message J1 ([PktType] = '0')
<ACK> / <NAK> / <EOT>

Message J1


<ACK> / <NAK> / <EOT>

Message J1 ([PktType] = '1')
<ACK> / <NAK> / <EOT>
