21
EN
AT-400P
Mounting steps
Mount the reader on an even surface.
Connect the wires to the power supply, Wiegand controller etc.
Cable Color
Function
Red
VDC: 9 - 24 VDC / -5% +0% (should never exceed 24VDC)
Black
GND: 0V
Yellow
N/A
White
Wiegand D1: Clock.
Green
Wiegand D0: Data.
Orange
External controlled Red LED, 0V active.
Brown
External buzzer, 0V active.
Blue
External controlled Green LED, 0V active.
Note: Right after applying the voltage all LED’s lights and the buzzer sounds, do not touch the
reader untill the yellow LED is lit and the buzzer is silent.