English - 9
Displaying the different operating states
The different operating states which are signalled with the aid of the display LEDs are listed below.
Description of function
LED legend
Color/mode
Secure PIN Entry active
PIN
DATA
Red / flashing (500ms on-off)
Blue / off
NUM active
1
Blue / on
Caps Lock active
A
Blue / on
Chip card reader ready
DATA
PIN
Blue / on
Red / off
Chip card read/write access
DATA
PIN
Blue / flashing
Red / off
Notes for application developers
Before the chip card terminal can be taken into operation it is first necessary to install the necessary
drivers as described in the chapter entitled "Installing drivers and software".
Application software is not included with the delivery package of the chip card terminal. Application
developers have the option of initiating the Secure PIN Entry mode (SPE) with certain instruction
bytes, e.g. via the interfaces PC/SC [7] or CT-API [8].
The approved instruction bytes are listed in the table below::
INS byte
Label
Meaning
Standard
0x20
VERIFY
Enter PIN
ISO/IEC 7816-4
0x24
CHANGE REFERENCE DATA
Change PIN
ISO/IEC 7816-8
0x26
DISABLE VERIFICATION
REQUIREMENT
Enable PIN
ISO/IEC 7816-8
0x28
ENABLE VERIFICATION
REQUIREMENT
Disable PIN
ISO/IEC 7816-8
0x18
UNBLOCK APPLICATION
Unblock application
EMV 2000
0x2C
RESET RETRY COUNTER
Unlock PIN
ISO/IEC 7816-8
Fujitsu
9
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