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Netgear C6900

Details




Modem Information

DOCSIS 3.0 Dual Band 802.11-AC WiFi Modem

24x8 channel bonding

To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required

Highest Service Level

Ultimate 500



Front View

Front view

Click to enlarge.

After the cable modem successfully registers on the network, the Power, Upstream, Downstream, and Internet indicators illuminate continuously to indicate that the modem is online and fully operational. For more details, refer to the Modem Lights section.




Back View

C7000 Back

Click to enlarge.


The Netgear C6900 has the following ports available on the back of the modem.

  • Ethernet LAN Ports - Provides internet access to a single device. Only one port is active at a time.
  • Coaxial Cable Connector (Cable / Internet - Connect your coaxial cable line to this port.)
  • Reset Button - Use this button in the unlikely event that you want to restore the default factory settings. This button is recessed to prevent accidental resets of your modem.
  • Power Adapter Input - Connect the supplied power cord to this port.



MAC Address

MAC Label

Click to enlarge.


MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F). A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device.

Troubleshooting

The modem lights indicate the current status of your cable modem. To troubleshoot any connection problems, use the table below.

Modem LightStatusProblem
Power

power
OffNo power. Verify all cable connections and try resetting the modem.
GreenNone
RedThe cable modem is too warm and might overheat.
  • Disconnect the power adapter.
  • Wait a couple of minutes to let the cable modem cool down.
  • Make sure that the cable modem is placed in a vertical position.
  • Make sure that the cable modem is placed in a location with good ventilation.
  • Reconnect the power adapter.
Downstream

downstream
Blinking AmberScanning for downstream channel. Verify all cable connections and try resetting the modem.
Solid AmberNone. Connection established on one channel.
Blinking GreenScanning for additional downstream channels.
Solid GreenNone. Operating on more than one channel.
OffDownstream channel inactive. Verify all cable connections and try resetting the modem.
Upstream

upstream
OffUpstream channel inactive. Verify all cable connections and try resetting the modem.
Blinking AmberScanning for upstream channel. Verify all cable connections and try resetting the modem.
Blinking GreenScanning for additional upstream channels.
Solid AmberNone. Connection established on one channel.
Solid GreenNone. Operating on more than one channel.
Internet

internet
OffModem offline. Verify all cable connections and try resetting the modem.
Blinking GreenNone. Scanning for configuration parameters. Verify all cable connections and try resetting the modem.
Slow Blinking Amber and GreenThe modem router reached the traffic meter limit. (For information about the traffic meter, see Monitor Internet Traffic on page 63 of the User Manual).
Solid GreenNone. Operational.
2.4 GHz

2.4 GHz
Off2.4 GHz radio off.
Solid GreenNone. 2.4 GHz radio on.
5 GHz

5 GHz
Off5 GHz radio off.
Solid GreenNone. 5 GHz radio on.
Ethernet

ethernet
OffA device is not connected to the Ethernet port on the back. Connect a device to the Ethernet port on the back.
Blinking GreenNone - An Ethernet port is transmitting or receiving data.
Solid GreenNone - A device is connected to the Ethernet port.
WiFi On/Off

ethernet
OffWiFi signal is off. Connect a device to the Ethernet port on the back.
Solid GreenWiFi signal is on.
WPS

OffWPS button has not been activated.  
Blinking GreenNone. This button enables you to use WPS to join the WiFi network without typing the WiFi password. The WPS LED blinks during the process and then lights solid.
Solid GreenNone. WPS LED blinks to solid after button has been pushed.

Manufacturer Resources

For more detailed technical information on the Netgear C6900, use the resources below.

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