Version : 1.20
a
8
6. Operation & Usage
1.
This operation is limited to fixed function version from DUALi only. In case of Firmware
Development Kit version, developers can control all as they want
2.
Apply power to the Reader, check the Beep sound of buzzer and BLUE LED is turned on. It means
this device is working properly
3.
When user present (authorized) contactless card to the reader, the reader makes 1 time of beep
sound and turns off Blue LED for 0.2 second and turn it on again. It sends Card’s data to Access
controller through the Wiegand data line. Reader tries to read card every 30 millisecond. Reader
will not read card again before the card, which was already used, is removed from the antenna.
4.
When an unauthorized card is presented on the reader, Red LED will be blinking.
5.
Tamper (TAMP) :
Reader makes alarm when its case is forced to open. It makes TAMPER signal (PIN No-1
0
,
VIOLET
) to GND when case is opened with beep sound. It recovers to 5V when case is closed.
6.
LED Control :
Reader turns on RED LED (turns off BLUE LED) while LED signal (PIN No-
8
,
BROWN
)
from
controller is low.
7.
Buzzer Control :
Reader makes beep sound while BEEP signal (PIN No-
9
,
YELLOW
) from controller is low.
3.3V
GND
CASE CLOSE
CASE OPEN
CASE CLOSE
5V
GND
BUZZER OFF
BUZZER ON
BUZZER OFF
5V
GND
RED LED ON
BLUE LED OFF
RED LED OFF
BLUE LED ON
QDE-950-4 User Manual
