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ETM8100 Series Quick Start GuideV002
Indicator Lights
LED indication during runtime
BLUE
Status 1 LED signal from the Module. LED is flashing when the ME is registered to the network
and either awake or in power saving state.
YELLOW
Busy with communication and waiting for answer from the Module. Socket Established
indication.
GREEN
Status 0 LED signal from the Module. LED is flashing when the ME is registered to the network
and either awake or in power saving state.
BLUE LED mode (UMTS)
Function
500ms On / 500ms Off
Limited Network Service: No SIM card inserted or no PIN entered, or network
search in progress, or ongoing user authentication, or network login in
progress.
40ms on / 3990ms off
LED flashes when the ME is registered to the UMTS network and either awake
or in power saving state.
Off
ME is not registered to the UMTS network.
75ms on / 75ms off /
75ms on /1990ms off
One or more UMTS PDP contexts activated.
YELLOW LED mode
Function
Flashing
Busy with communication with the Module.
0.5s On / 0.5s Off
Waiting for answer from the Module.
On
When connected to an ISP and a Socket is established.
GREEN LED mode (GSM) Function
600ms On / 600ms Off
Limited Network Service: No SIM card inserted or no PIN entered, or
network search in progress, or ongoing user authentication, or network
login in progress.
75ms on / 3s off
IDLE mode: The mobile is registered to the GSM network (monitoring
control channels and user interactions). No call is in progress.
75ms on / 75ms off /
75ms on /3s off
One or more GPRS PDP contexts activated.
500 ms on / 50 ms off
Packet switched data transfer is in progress.
Off
ME is in one of the following modes:
- POWER DOWN mode
- AIRPLANE mode
- CHARGE ONLY mode
- NON-CYCLIC SLEEP mode
- CYCLIC SLEEP mode with no temporary wake-up event in progress
On
Depending on type of call:
Voice call: Connected to remote party.
Data call: Connected to remote party or
exchange of parameters while setting
up or disconnecting a call.
BLUE
YELLOW
GREEN
ETM8100 STATUS LEDs
UMTS
MCU Status
GSM