Netgear C6900 Cable Modem WiFi Router Combo user manual
- June 7, 2024
- Cox
Table of Contents
Netgear C6900 Cable Modem WiFi Router Combo
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Modem Information
DOCSIS 3.0 Dual Band 802.11-AC WiFi Modem
24×8 channel bonding
To achieve Gigablast or Ultimate Classic speeds, a DOCSIS 3.1 modem is required
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Highest Service Level
Ultimate 500
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Front View
| | 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
| | 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.
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MAC Address
| | 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 Light | Status | Problem |
|---|
Power
| Off| No power. Verify all cable connections and try resetting the modem.
Green| None
Red| The 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
| Blinking Amber| Scanning for downstream channel. Verify all cable
connections and try resetting the modem.
Solid Amber| None. Connection established on one channel.
Blinking Green| Scanning for additional downstream channels.
Solid Green| None. Operating on more than one channel.
Off| Downstream channel inactive. Verify all cable connections and try
resetting the modem.
Upstream
| Off| Upstream channel inactive. Verify all cable connections and try
resetting the modem.
Blinking Amber| Scanning for upstream channel. Verify all cable connections
and try resetting the modem.
Blinking Green| Scanning for additional upstream channels.
Solid Amber| None. Connection established on one channel.
Solid Green| None. Operating on more than one channel.
Internet
| Off| Modem offline. Verify all cable connections and try resetting the
modem.
Blinking Green| None. Scanning for configuration parameters. Verify all cable
connections and try resetting the modem.
Slow Blinking Amber and Green| The 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 Green| None. Operational.
2.4 GHz
| Off| 2.4 GHz radio off.
Solid Green| None. 2.4 GHz radio on.
5 GHz
| Off| 5 GHz radio off.
Solid Green| None. 5 GHz radio on.
Ethernet
| Off| A device is not connected to the Ethernet port on the back. Connect a
device to the Ethernet port on the back.
Blinking Green| None – An Ethernet port is transmitting or receiving data.
Solid Green| None – A device is connected to the Ethernet port.
WiFi On/Off
| Off| WiFi signal is off. Connect a device to the Ethernet port on the back.
Solid Green| WiFi signal is on.
WPS
| Off| WPS button has not been activated.
Blinking Green| None. 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 Green| None. 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.
- Netgear_C6900_DataSheet [PDF]
- Netgear_C6900_QuickStartGuide [PDF]
- Netgear_C6900_UserManual [PDF]
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