SIM908 EVB kit User Guide
3.6.2 Debug indicator
Figure 11: Debug port LED
Name
Description
STATUS
Debug_RXD/TXD_LED
Run or download indicator
Run normally: Blinking at 1Hz
Download: Blinking rapidly
4 Test interface
Figure 12: Test interface overview
SIM908_EVB kit_ User Guide _V1.00
2011.8.15
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