User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 11 – ICC / SAM / Magnetic stripe card manipulating messages 2015-04-20
Page271
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message I11 SAM slot Cold Reset
Format: <STX>I11<ETX>[LRC]
Message length: Fixed 6 bytes.
Usage: PP791 performs a cold reset on the active SAM interface. If the operation is
succeeded, PP791 sends the message I12 with the “Answer to Reset” (ATR) of the
smart card to host. Otherwise, the message I0F bears the error code is to be sent
back.
Message element:
Field Length Value and description
<STX> 1 <02>
I11 3 Message ID
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
HOST Direction PP791
Message I15
 
(Select interface and
response)
Message I11


<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)

Smart card cold reset.
Message I12 (ATR)
<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
