User guide

M33 EVB User Guide
3.7. Operating Status LED
Figure 14: Operating status indication LEDs
Table 10: Operating status indication LEDs
Part Name I/O Description
L1 5V ON/OFF indicator O
On: VBAT ON
Off: VBAT OFF
L2 Module Status indicator O
On: module in power-on
Off: module in power-off
L3 GSM_NET status indicator O
Blinking differently to indicate
various GSM network status
M33_EVB_UGD_V1.0 - 18 -
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