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5
Diameter Selection for Extension Power Cables
The device is powered by DC 12V/2A and the lower limit of the operating
voltage is DC 9V (12V–25%).
Wire Diameter
(mm)
0.8mm
(20 AWG)
1mm
(18 AWG)
1.25mm
(16 AWG)
1.63mm
(14 AWG)
Transmission
Distance (m)
18
37
58
99
2
Wiring description
The figure below shows the wiring between the digital detection module and
different devices. For the wiring terminal of each device, see the operation manual
of the device or consult manufacturers.
Digital
detection
module
Power
input
RS485
VDD12V Red
GND
Black
RS485_P Blue
RS485_N Brown
+12V
GND
Face recognition access
control terminal/Face
recognition terminal
3.2
Tools Preparations
Antistatic wrist strap or antistatic gloves
Marker
Drill
M8/M6 simple open-end wrench
Phillips screwdriver
Slotted screwdriver