P10-34 Mobile Printer CPCLProgramming Manual
S-CARD Command
The S-CARD command can be used to access the
Towitoko Smartcard reader embedded within Zebra “SC”
model mobile printers. The smart card library implements
the T=1 protocol for IS07816 compliant cards. This
allows users to send ASCII commands to the printer and
the printer will in turn forward this command to the smart
card with the appropriate header and checksum informa-
tion. The printer then returns the card’s response.
The S-CARD command set is only valid on “SC” model
printers with a printer application at version 41h or above.
The software version can be verified by performing a two-
key reset as described in Section 1 of this manual. The
number in the “Software:” listing on the second report
must end in 41h or above (e.g. “Software: HTLK41h”)
Format
{Command } { Operation } { Options }
where:
{command}: S-CARD
The ‘Operation’ argument indicates how to access the
reader. All options must be separated by a space unless
stated otherwise. The options may appear in any order.
The S-CARD command must be issued using the printer
utility session command (!U1...) and terminated by a
CRLF pair (0x0D0x0A).
Operation
The Operation command is a required element. An error
will be returned if an invalid operation is specified (see ‘S-
CARD Command Response’ for error codes). The pos-
sible Operation commands are:
CT_ATR: Each smart card has a unique ‘Answer
To Reset’, or ATR. This ATR contains
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