M20 EVB User Guide
3.7. Operating status LED
Figure 11: Operating status indication LED
Table 9: Operating status indication LED
Part Name I/O
Description
L1 5V ON/OFF indicator O
On: VBAT ON
Off: VBAT OFF
L2 GSM_NET status indicator O
Blinking differently to indicate
various GSM network status
M20_EVB_UGD_V1.01 - 17 -
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