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GTM-203M-3GWA User
’
s Manual v1.0
- 4/35 -
3.3 LED Indicators
There are two LED indicators to help users to judge the various conditions of
GTM-203M-3GWA. The description is as follows
:
A. PWR(Red)
:
The PWR LED can indicate the status of Power module.
Power normal
Power fail
Always ON
Always OFF
B. 3G (Green)
:
The modem LED can indicate the status of GSM module.
3G module normal
3G module fail
Data transmission
2G Mode
Blinking per 2 sec
OFF
or
Blinking (not 3 sec)
Always ON
3G Mode
Blinking twice per 2 sec
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