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User's Manual DG100 IoT Gateway
Device Description
3.3 Indications and push buttons
3.3.1 Push buttons
There are two push buttons on the back side panel. Short press on
Reset
button performs
hard reset of device, equivalent to power cycling.
User
button is used for as Linux
gpio84
input found in
/sys/class/gpio/
. For further information please contact Decode.
3.3.2 LED indicators
Three LEDs on the top panel indicate the presence of the power supply voltage and activity of
the device. LED L2 used as Linux
LED2
found in
/sys/class/leds/
. Following table describes
device status depending on LED presentation:
Name
Device state
Presentation
Description
Pwr
(green)
Device is OFF
Continuously OFF
Device power is ON
Continuously ON
L1
(green)
Device is OFF or is not
initialized
Continuously OFF
Device is initialized
and operating
Two ON pulses every
second Linux heartbit
www.decode.rs
13/31
Fig. 5: Push buttons on back side plate