Table 2. LED and button descriptions
LED
Power
Internet
2.4 GHz WiFi
5 GHz WiFi
Guest WiFi
USB 3.0 port
Ethernet ports 1–4
Nighthawk AC1900 Smart WiFi Router Model R6900
Description
•
Solid amber. The router is starting.
•
Blinking amber.The firmware is upgrading, or the Reset button was pressed.
•
Solid white. The router is ready.
•
Blinking white. The firmware is corrupted.
•
Off. Power is not supplied to the router.
•
Solid white. The Internet connection is ready.
•
Solid amber. The router detected an Ethernet cable connection to the
modem.
•
Off. No Ethernet cable is connected between the router and the modem.
•
Solid white. The 2.4 GHz WiFi radio is operating.
•
Blinking white. The router is sending or receiving WiFi traffic.
•
Off. The 2.4 GHz WiFi radio is off.
•
Solid white. The 5 GHz WiFi radio is operating.
•
Blinking white. The router is sending or receiving WiFi traffic.
•
Off. The 5 GHz WiFi radio is off.
•
Solid white. The guest WiFi network is operating.
•
Blinking white. The router is sending or receiving WiFi traffic.
•
Off. The guest WiFi network is off.
•
Solid white. A USB device is connected and is ready.
•
Blinking white. A USB device is plugged in and is trying to connect.
•
Off. No USB device is connected, or someone clicked the Safely Remove
Hardware button and it is now safe to remove the attached USB device.
The LED color indicates the speed: white for Gigabit Ethernet connections and
amber for 100 Mbps or 10 Mbps Ethernet connections.
Hardware Overview of the Router
13