The modem lights indicate the current status of your cable modem. See Rear Panel Modem Lights to view lights related to the Ethernet connection. To troubleshoot any connection problems, use the table below.
|No power. Verify all cable connections and try resetting the modem.
|Power-on failed - briefly immediately after the device was powered on
(Downstream / Upstream)
|None - once every second while scanning DS, twice every second while registering the US
Note: A firmware upgrade is in progress when the Power and Online lights are solid.
|None - locked to US and DS channels and registered OK
|None - obtaining IP address and configuration file
|None - modem is operational
|None - WiFi is enabled at the 2.4 GHz frequency
|2.4 GHz WiFi is disabled
|None - WiFi is enabled at the 5 GHz frequency
|5 GHz WiFi is disabled
|Blinks for 4 minutes until a PIN is entered from the wireless client that you are connecting - For example, a laptop computer
Triggered when you press the WPS button or enable WPS via the device’s user interface. After the device connects successfully, the light remains on for five minutes, then turns off.
|WPS signal not in use
Rear Panel Modem Lights
The lights below indicate the connection status of your WiFi cable modem. To troubleshoot any connection problems, use the table below.
|ETH1 - ETH4
|The device is not connected to the port. Verify all cable connections and try resetting the modem.
|None. A device is connected to the port at 1000 Mbps speeds, and data passes between the cable modem and the connected device.
|None. A device is connected at 10/100 Mbps speeds, and data passes between the cable modem and the connected device.