5
LED Display
LED
Color
Status
Description
PWR
Red
Off
No power supply connected
On
Power supply connected
Blink
Supply voltage below 4,63 Volt
ACT
Green
Off
No access to SD card
On
Accessing SD card (operating system) not possible
or no SD card available
Blink
Flashes every time accessing the SD card (read
and write access)
Connections
ACT-LED
PWR-LED
Micro-USB Typ B
Power supply
HDMI
Monitor connection
3,5 mm jack
Audio output
(not used)
RJ45
Network connection
