LED Indicator
The LED indicator is lit when the correct input voltage is applied to the module.
Note that this indicator may take several seconds to light up after power has been applied.
The behavior of the LED indicates the state of the cellular connection.
State
Description
Off
Incorrect input voltage applied
On
Not registered on the cellular network
Blinking
(1s / 1s)
Registered on the cellular network (i.e. communicating with a cell tower)
This does not indicate that an internet connection has been established or that data can be sent.
PRT-4G-USB | Protege DIN Rail Cellular Modem | Installation Manual
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