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LED Status Description
Flashing green (8 Hz)
Data is being received or transmitted. The
router is operating in 4G mode.
Steady yellow
The router has been connected to the
wireless network and is operating in 3G
mode.
Flashing yellow (8 Hz)
Data is being received or transmitted. The
router is operating in 3G mode.
Received 4G signal
strength indication LED
(RSSI)
Off Weak or no signal.
Steady green Strong signal.
Flashing green (8 Hz) Middle or low signal.
Serial port data
transmission status
LED (ACT)
Off No data is being received or transmitted.
Flashing green Data is being received or transmitted.
Serial port link status
LED (LINK)
Off No link is present.
Steady green A link is present.