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Netgear CG3000D

Details




Modem Information

DOCSIS 3.0 Single Band WiFi Modem

8x4 channel bonding with speeds of up to 150 Mbps on a wired connection

Cox recommends a DOCSIS 3.0 16x4 or higher modem

Highest Service Level

Preferred 150



Front View

image of the Front View of CG3000D

Click to enlarge.





Back View

image of the Back View of CG3000D

Click to enlarge.


The Netgear CG3000D has the following ports available on the back of the modem.

  • ETHERNET - Four ports connect to the Ethernet port on your computer or home network.
  • USB - Connects to selected client devices.
  • CABLE - Connects to the cable wall outlet.
  • POWER - Connects the modem to the power adapter.
  • POWER ON / OFF - Turns the modem on and off.



MAC Address

image of the MAC address label

Click to enlarge.


The Netgear CG3000D comes configured with wireless security. By default, the Netgear home networking modem supports up to 802.11n wireless standards and uses WPA / WPA2 wireless security settings. The SSID and Passphrase are printed on the label on the modem.

  • The SSID on the modem is the same as the last 6 characters of the Wireless MAC address.
  • The Passphrase is the same as the 9-digit serial number of the home networking modem.

Troubleshooting

image of the lights on the front of the modem

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

Modem LightStatusProblem
Power

image of the power light
OffNo power - Verify all cable connections and try resetting the modem.
Solid GreenNone
DS

(Downstream)

image of the downstream light
Blinking GreenScanning for downstream channel - Verify all cable connections and try resetting the modem.
Solid GreenNone - connection from the computer to the Internet
Solid BlueNone - operating on more than one channel (downstream bond mode)
US

(Upstream)

image of the upstream light
OffUpstream channel inactive - Verify all cable connections and try resetting the modem.
Blinking GreenScanning for upstream channel - Verify all cable connections and try resetting the modem.
Solid GreenNone - connection from the Internet to the computer established on one channel.
Solid BlueNone - operating on more than one channel (upstream bond mode)
Internet

image of the internet light
OffNo connection - Verify all cable connections and try resetting the modem.
Solid GreenNone - cable WiFi modem operational
Slow BlinkNone - cable WiFi modem receiving DHCP information
Fast BlinkNone - cable WiFi modem downloading a configuration file
LINK 1 - 4

image of the link light
OffNo Ethernet link detected
Blinking GreenNone. Data is flowing.
Blinking AmberNone - data flowing
Solid GreenNone - connected to 1000 Mbps
Solid AmberNone - connected at 10 or 100 Mbps
WPS

image of the WPS light
OffNo WiFi client associated with the cable modem via WPS - Enable WiFi.
Blinking GreenNone - WPS is in discovery mode, (LED blinks for up to 2 minutes)
Solid GreenNone - WPS configuration successful
WLAN

image of the WLAN light
OffWiFi disabled
Blinking GreenData flowing - Enable WiFi by pressing this button for three seconds.
Solid GreenNone - WiFi enabled

Manufacturer Resources

Netgear CG3000D Router Manual (PDF)

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