SA40
User Manual
P a g e
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(3)
Connect the power supply
.
The device uses a
DC 12V
power supply and external cables are connected directly to the main board. The
operating current is
equal to or less than 200mA
, and the standby current is
equal to or less than
150mA
. The power supply can work after its positive and negative poles are connected to
+12V
and
GND
terminals respectively.
Do not reverse its positive and negative poles.
(4)
Connect other devices
Door sensor
Exit button
Doorbell