UT986eb User Manual
UC-08-M37 EN R1.0
LED Indicators
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5
LED Indicators
There are LED indicators on the evaluation board to indicate the working status of each
functional unit.
Figure 5-1 LED Indicators
Table 5-1 Description of the LED Status
LED Indicator
Color
Description
Power (5V or 3.3V)
Green
Light on when the power is normal
Reset
Red
Light on when pressing the reset button
Antenna
Red
Light on when antenna is shorted
UART
Green
Blinking when UART is working
RSV(#09, #12)
Green
Not defined
The silkscreen markings on the right of the LED indicators identify the corresponding
functions, as shown in the figure below.
