Packets 09 And 14: Response Packet To Packet 01 - VeriFone MX800 series Programmer's Manual

Packet 06 Length:
Response Sample
Packet
Packets 09 and 14:
Response Packet to
Packet 01
•
MAX: 21 characters
•
MIN: 21 characters
<SI>06246880401A001234SO>{LRC}
Table 34 Packet 06 Communication Protocol
Master Device
<SI>06<SO>{LRC}
ACK if LRC
•
NAK if LRC incorrect,
•
the IPP saves serial
number
EOT after 3 NAKs
•
In response to packet 01, the IPP returns packets 09 and 14 to the master device:
•
Packet 09 is the response packet to packet 01 with diagnostic # 07 (UART
Loopback Test).
•
Packet 14 is the response packet to the packet 01 with diagnostics #00, 01,
02, 03, 06, 08, 09, and 10.
Packets 09 and 14 are in the format shown in
IPP MS
AND
Transmit
IPP
Direction
ACK if LRC
•
NAK if LRC incorrect
•
EOT after 3 NAKs
•
<SI>06[vvv][dddddd][p][bb][nnnn]<SO>{LRC}
EOT
Table
M
DUKPT C
OMMUNICATIONS
Common Packets
35.
X
800 S P
ERIES ROGRAMMERS
P
ACKETS
291
G
UIDE