Details
Modem InformationDOCSIS 3.1 Dual Band WiFi Modem 32×8 channel bonding |
Highest Service LevelGigablast |
Front View
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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. | |
Back View
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The Netgear C7800 has the following ports available on the back of the modem.
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MAC Address
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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 LED 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:
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| 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 |
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 |
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 |
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. |
| Solid Green | None. A device is connected to the Ethernet port. | |
| WiFi On/Off |
Off | WiFi disabled. |
| On | None. WiFi enabled. | |
| 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. |
