User Guide Troubleshooting
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1. For Ethernet WAN connection: the 5G LED and Signal LEDs have no meaning and would be off.
For Ethernet WAN: the cellular WAN switch duration is indicated with blinking green LED.
5G LED
The white 5G LED indicates 4G or 5G service availability while a signal test is in
progress. By default, the 5G LED and three signal LEDs are off. The status LED is
green during the device's normal state.
The 5G LED will be on if the network is 5G, otherwise the 5G LED will be off if the
network is 4G.
When the signal test button is pressed, the 5G LED and the three signal LEDs blink
fast for a few seconds, then the 5G LED will be on for five seconds if the network is
5G or will be off if the network is 4G.
The signal LED will be on according to the cell strength. The 5G LED and signal LED
turn off after the signal test (five seconds, which is the default).
Signal strength LED
There are three LEDs to indicate signal strength. These signal LEDs blink during
start-up and at the start of a signal test.
Table 2 5G LED
LED behavior When What you may consider
doing
Blinks Signal test in progress and during
start up
Do nothing
Not lit 4G is available while signal test in
progress
Do nothing
Lit 5G is available while signal test in
progress
Do nothing
Note: In 5G NSA (option 3x), the 5G LED will be off during the signal test if the FastMile 5G
Gateway 3.2 is in idle state, even if 5G service is available.
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