| INDICATOR | BEHAVIOR |
 | Power: The IBR600C-150M/IBR650C-150M must be powered by a 4-pin AC adapter or a 4-pin GPIO cable.
- No Light = Not receiving power. Check the power switch and the power source connection.
- Blue = Powered On
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 | WiFi Broadcast: Indicates WiFi activity (IBR600C only).
- Green = WiFi is on and operating normally.
- Amber = Attention. Log into NCM and check the router status.
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 | Embedded or USB Modem: Indicates information about the embedded modem or attached USB modem.
- Green = Modem has established an active connection.
- Blinking Green = Modem is connecting.
- Amber = Modem is not active.
- Blinking Amber = Data connection error. No modem connection possible.
- Blinking Red = Modem is in the process of resetting.
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 | Signal Strength: Blue LED bars indicate the active modem’s signal strength.
- 4 Solid Bars = Strongest Signal.
- 1 Blinking Bar = Weakest Signal.
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OTHER | Additional LED Indications:
- Several different LEDs blink when the factory reset button is detected.
- Two of the modem LEDs blink red in unison for 10 seconds when there is an error during NCOS upgrade.
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