Led Indication Application Scenarios; Overview - Huawei ME909u-523 Application Manual

HUAWEI ME909u-523 LTE LGA Module
Application Guide
13

LED Indication Application Scenarios

13.1 Overview

Light Emitting Diode (LED) indicates the MT's current state. Table 13-1 shows the
HUAWEI default LED program, including LED mode to different states.
Table 13-1 HUAWEI default LED program
LED Mode
Permanently off
100 ms on/100ms off/100 ms on/1700ms off
100 ms on/100ms off/100 ms on/1700ms off
100 ms on/100ms off/100 ms on/1700ms off
100 ms on/1900ms off
Permanently on
Permanently on
Permanently on
Permanently on
100 ms on/1900ms off
Permanently on
Permanently on
Issue 04 (2014-12-08)
NOTE
LED ON indicates LED GPIO High and LED OFF indicates LED GPIO Low.
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LED Indication Application Scenarios
Service State
Off line
Power on Initialization
Register fail and no service
Connect to no service area
Register on WCDMA
Connect on WCDMA
Transmit data on WCDMA
Connect on HSPA
Transmit on HSPA
Register on LTE
Connect on LTE
Transmit data on LTE
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