ACS ACK30 Smart Keyboard - Manual (Page 33)

ACR30 Reference Manual
Version 3.3 January 2009 Page 33 of 44
ACR30
9.2.3.7. CHANGE_CODE (only SLE 4442) (*)
To write the specified data as new secret code in the card.
The current secret code must have been presented to the card with the PRESENT_CODE command
prior to the execution of this command!
Command format
Instruction
Code
Data length Data
CODE
93
H
03
H
CODE
The three bytes new secret code (PIN)
Response data format
No response data
Note (*) – SAM Reader does not support for memory cards
9.2.4. Siemens SLE 4418/4428 intelligent 1K Byte Memory Card (*)
9.2.4.1. RESET (*)
This command powers up the card inserted in the card reader and performs a card reset.
If the card is powered up when the command is being issued, only a reset of the card is carried out,
the power supply to the card is not switched off.
Command format
Instruc
tion
Code
Data
length
80
H
00
H
Response data format
ATR
ATR Four bytes Answer-To-Reset read from the card.
The ATR bytes are read from the card with LSB first, i.e., the first bit read from the card is
the LSB of the first ATR byte.
9.2.4.2. POWER_OFF (*)
This command powers off the card inserted in the card reader.