VeriFone MX800 Series - Page 294

IPP MS AND DUKPT COMMUNICATIONS PACKETS
Common Packets
294 M
X
800 SERIES PROGRAMMERS GUIDE
06 Serial Number Check
<SI>0106<SO>{LRC}
IPP6 and earlier
ACK/NAK/EOT
<SI>14xxxxxxxxxxxxxxxx<SO>{LRC}
where, xxxxxxxxxxxxxxxx indicates the
serial number of the IPP. Length is 16
digits, for example, 1234567890123456.
ACK/NAK/EOT
EOT to terminate process.
07 UART Loopback Test
<SI>0107<SO>{LRC}
IPP7
ACK/NAK/EOT
<SI>09<SO>{LRC}
ACK/NAK/EOT
<SI>09<SUB>PROCESS-
ING<SO>{LRC}
ACK/NAK/EOT
<SI>09<SUB>PROCESSING<SO>{LRC}
ACK/NAK/EOT
EOT to terminate process.
Table 35 Packets 09 and 14 Communication Protocol (Continued)
Master Device
Transmit
Direction
IPP