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Netgear C7800

Details

     

Modem Information

DOCSIS 3.1 Dual Band WiFi Modem

32x8 channel bonding

Compatible with future speed increases.

Highest Service Level

Gigablast

   

Front View

Netgear C7800 Front

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 Troubleshooting section.

     

Back View

C7000 Back

Click to enlarge.

 

The Netgear C7800 has the following ports available on the back of the modem.

  • Power - Connect the supplied power cord to this port.

  • Ethernet - Four Gigabit Ethernet LAN ports.
  • Reset - 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.
  • Cable / coaxial - Connect your coaxial cable line to this port.
     

MAC Address

C7000 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 Light Status Problem
Power

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

downstream
Blinking Green Scanning for downstream channel. Verify all cable connections and try resetting the modem.
Solid Amber None. Connection established on one channel.
Solid Green None. Operating on more than one channel.
Off Downstream channel inactive. Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact
Upstream

upstream
Off Upstream channel inactive. Verify all cable connections and try resetting the modem.
Blinking Green Scanning for upstream channel. Verify all cable connections and try resetting the modem.
Solid Amber None. Connection established on one channel.
Solid Green None. Operating on more than one channel.
Internet

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.
Solid Green None. Operational.
2.4 GHz

2.4 GHz
Off 2.4 GHz radio off.
Solid Green None. 2.4 GHz radio on.
5 GHz

5 GHz
Off 5 GHz radio off.
Solid Green None. 5 GHz radio on.
Ethernet

ethernet
Off A device is not connected to the Ethernet port on the back. Connect a device to the Ethernet port on the back.
Solid Green None. A device is connected to the Ethernet port.
WiFi On/Off

wifi button
Off WiFi disabled.
On None. WiFi enabled.
WPS

WPS
Blinking Green

None. This button lets you use WPS to join the WiFi network without typing the WiFi password. The WPS LED blinks during this process and then lights solid.

Manufacturer Resources

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