
Table 1. LED descriptions
Description
LED
•
Solid amber. The modem router is starting.
•
Blinking amber. The firmware is upgrading, or the Reset button was pressed.
•
Solid white. The modem router is ready.
•
Blinking white. The firmware is corrupted.
•
Off. Power is not supplied to the modem router.
Power
•
Solid white. The Internet connection is ready.
•
Solid amber. The modem router detected an Ethernet cable connection to the modem.
•
Blinking white. The port is sending or receiving traffic.
•
Off. No Ethernet cable is connected between the modem router and the modem.
Internet
The following is the LED behavior if the modem router is connected to a 4G network:
•
Solid blue. Signal strength is good or fair.
•
Solid green. Signal strength is weak.
•
Blinking blue or green. Data activity is occurring.
The following is the LED behavior if the modem router is connected to a 3G network:
•
Solid amber. Signal strength is good or fair.
•
Solid red. Signal strength is weak.
•
Blinking amber or red. Data activity is occurring.
3G/4G
•
Solid white. The 2.4 GHz WiFi radio is operating.
•
Blinking. The modem router is sending or receiving WiFi traffic.
•
Off. The 2.4 GHz WiFi radio is off.
2.4 GHz WiFi
•
Solid white. The 5 GHz WiFi radio is operating.
•
Blinking. The modem router is sending or receiving WiFi traffic.
•
Off. The 5 GHz WiFi radio is off.
5 GHz WiFi
Hardware Setup
10
Nighthawk AC1900 WiFi LTE Modem Router