GTM-204M-4G Series User’s Manual v1.1
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3.3 LED Indicators
There are two LED indicators to help users to judge the various conditions of
GTM-204M-4G. 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. 4G (Green)
:
The modem LED can indicate the status of GSM module.
4G module normal
4G module fail
Data transmission
ON 2 sec and OFF 1 sec
OFF
or
ON 1 sec and OFF 2
sec
Blinking per 0.2 sec
4G module normal
4G module fail
1
2
3
4
5
6
7
ON
OFF
Time(sec)
ON
OFF
Time(sec)
1
2
3
4
5
6
7
Содержание GTM-204M-4G Series
Страница 1: ...GTM 204M 4G Series Industrial 4G LTE Modem User s Manual V1 1...
Страница 12: ...GTM 204M 4G Series User s Manual v1 1 8 35 4 3 Quick Test 4 3 1 Hardware installation...
Страница 17: ...GTM 204M 4G Series User s Manual v1 1 13 35 Step 9 Input AT and press Enter then you will receive AT OK...
Страница 34: ...GTM 204M 4G Series User s Manual v1 1 30 35 Step 4 Select Install Step 5 Click Finish...