Technical support
：
P3
2
LED indicators
A.
PWR(Green)
：
Power LED to indicate whether the external power
is input or not. The description is as follows:
The external power is active
The external power is not active
on
off
B.
RUN(Red)
：
RUN LED indicates if the OS is normal or fail.
Normal
Fail
Heart beat (1 sec.)
Always ON or OFF
C.
L1(Green/Red)
：
this Led indicates the status of RTU Client.
Normal
Fail
500ms ON / 500ms OFF
Always ON or OFF
D.
L2(Green/Red)
：
reserve.
E.
4G (Red)
：
The LED indicates the status of 4G module.
(the 4G module need about 60 seconds to register network
usually)
Registered
4G/GPRS data transmit
Not Register
800ms ON /
200ms OFF
200ms ON, 200ms OFF
200ms ON / 800ms
OFF
A
D
E
B
C
