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)
18
Power
input
RS485
1mm
(18 AWG)
37
VDD12V Red
+12V
GND
Black
GND
RS485_P Blue
RS485_N Brown
5
1.25mm
1.63mm
(16 AWG)
(14 AWG)
58
Face recognition access
control terminal/Face
recognition terminal
99