VeriFone MX800 series Programmer's Manual page 299

Response Packet
Format
Packet 15 Example:
NOTE
Table 40 IPP Request Packet 15 Format
Data Element Field
[Key Code] Packet
parameters
[SO] End of
packet
{LRC} Block code
check
<SI>15[Key Code]<SO>{LRC}
Table 41 IPP Response Packet 15 Format
Data Element Field
<SI> Start of
packet
15 Packet type
[Key Code] Packet
parameters
[SO] End of
packet
{LRC} Block code
check
If the terminal receives the response without any errors, then it sends ACK to the
IPP. The IPP then sends <EOT> { ASCII CODE is 04 } to terminate the
session.
<SI>15SPAIN<SO>{LRC}
<SI>15VISA<SO>{LRC}
In IPP6, the following packet 15 variation is included for compatibility purposes
only, and does not result in the key information being erased.
IPP MS
Length
4 or 5
1
1
Length
1
2
4 or 5
1
1
( set Spain SEMP/4B mode)
( set MS / DUKPT mode)
DUKPT C
AND OMMUNICATIONS
Common Packets
Comments
The key management operation
mode for the IPP
"SPAIN" – Spain SEMP/4B
•
mode
"VISA" – IPP mode
•
Other characters – no change
•
Shift out.
Control character- 0Eh
Error check character
Comments
Shift in.
Control character- 0Fh
Set IPP key management mode
The key management operation
mode for the IPP:
"SPAIN" – Spain SEMP/4B
•
mode
"VISA" – IPP mode
•
Other characters – no change
•
Shift out.
Control character- 0Eh
Error check character
X
M 800 S P
ERIES ROGRAMMERS
P
ACKETS
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UIDE