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
Page309
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
'7': Number of <FS> is wrong.
'A': File size is zero or too large.
'B': Null file name.
'C': File name is too long or user abort.
'D': No more space.
'E': File is too large to stored to exist file's location.
'F': Download Success.
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
HOST Direction PIN Pad
Message J4
([PktType] = '0' and [SeqNo] = '000')


<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)

Message J4 ([Status] = '0')
<ACK> / <NAK> / <EOT>

Message J4
([PktType] = '0' and [SeqNo] = '001'-'998')


<ACK> / <NAK> / <EOT>

Message J4 ([Status] = '0')
………………………………….. …….. …………………
<ACK> / <NAK> / <EOT>

Message J4 ([PktType] = '1')


<ACK> / <NAK> / <EOT>

Message J4 ([Status] = 'F')
<ACK> / <NAK> / <EOT>
