2M Technology 2MTHFR-2M Quick Manual - Page 6

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The device is powered by DC 12V/2A and the lower limit of the operating

Wire Diameter

(mm)

Transmission

Distance (m)

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

3.2

Tools Preparations



Antistatic wrist strap or antistatic gloves



Marker



Drill



M8/M6 simple open-end wrench



Phillips screwdriver



Slotted screwdriver

Diameter Selection for Extension Power Cables

voltage is DC 9V (12V–25%).

0.8mm

(20 AWG)

Power

input

RS485

1mm

(18 AWG)

VDD12V Red

+12V

GND

Black

GND

RS485_P Blue

RS485_N Brown

1.25mm

1.63mm

(16 AWG)

(14 AWG)

Face recognition access

control terminal/Face

recognition terminal