ICP DAS USA I-8213W-4G, User Manual, Page: 12 / 40

4.2. LED indicators
There are two LED indicators to help users to judge the various conditions of
I-8213W-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 (Yellow)
：
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
4G
PWR