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EVB User Guide

M80_EVB_UGD_V1.0 - 20 -

3.8. Operating status LED

L1

L2

L3 L4

Figure 13: Operating status LED

Table 13: Status LEDs

Part

Name

I/O

Description

Note

L1

VBAT ON/OFF indicator

O

Bright: VBAT ON

Extinct: VBAT OFF

L2

RESERVED

L3

GSM_NET status

indicator

O

Blinking at a certain frequency

according to various GSM network

status

L4

Module status indicator

O

Indication of module operating status

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