SIM508 EVB User Guide
SIMCOM
3.6 Operating status LED
3.6.1 GSM part:
Figure 11: GSM part LED
Name
Description
STATUS
VBAT_LED
VBAT ON/OFF indicator
Bright: VBAT ON;
Extinct: VBAT OFF
GSM_NET_LED GSM_NET
status
indicator
Blinking at a certain frequency
according to various GSM net status
MO_STATUS_LED
GSM part status indicator
Not used, will be configured in our
latter software.
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