DE-930 User’s Manual
Version : 1.0
DUALi Inc.
(http://www.duali.com)
8
6. Operation & Usage
1. Apply power of the Reader, then check 5 times of Beep sound and RED LED is on. It means
this device is ready.
2. Present an authorized contactless card to the reader until you hear 1 time of Beep sound and
see Blue LED is blinking. The reader sends Card’s data to Access controller through the
Wiegand data line.
3. When User present unauthorized card to the reader, its Red LED will be blinking. The reader
will also make 1 time of short Beep sound.
4. LED Control (LED):
Whenever it reads card, blue LED turns on for 0.1 second and return to red.
To change the LED color after read card, User can connect the LED Control Input to power
ground (0V). Then it becomes to red color. This change remains while LED control Input is
connected to power ground. After controlling LED, it goes to blue color.
So, last LED color is blue if it is controlled (for registered ID), and it is red if LED is not
controlled (for unregistered ID).
5. Beeper Control (BEEP):
In standard operation mode, when it reads authorized card, this reader make 1 time of Beep
sound. To add other situations(event) of beeping, connect Beeper Control Input to power
ground(0V). This change remains while Beeper Control Input is connecting to power ground.
6. Tamper (TAMP) :
This reader sends a signal to Access controller and make alarm to notify when its case
forced to open.
Tamper line indicates 0V when the reader is closed and it indicates 3.3V when the reader is
opened.
7. SAM
interface
It is designed to capable of communicating SAM (ISO 7816 ) by attaching extended
parts for future use.
