
SIMCOM_EVB Kit_User Guide_V1.02
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3.5 Power Switch
After 5V Adapter inserted ,switch S201 on, then power LED (D201) willbe solid on.
3.6 POWER_ON Button
After give power to EVB,press the POWER_ON button for more than 1.5 seconds, the module will be
turned on, the network LED light (D401) will blink.
3.7 RF Switch
RF switch (S401) could control module RF on or off. That’s hardware control of flight mode. When RF on,
flight mode is off, when RF switch off, flight mode is on.
3.8 LED Indicator
LED light work’s behaviour as below.
Name
Description
Status
D201
Power ON/OFF indicator
Bright
:
EVB Power ON;
Extinct: EVB Power OFF
D401
NET status indicator
Blinking at a certain frequency according various net status
D402
Module status indicator
Bright: Module runs normally
Extinct: System is powered down