Netgear CG3000 Cable Modem Router user manual
- June 7, 2024
- Cox
Table of Contents
Netgear CG3000 Cable Modem Router
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Modem Information
DOCSIS 3.0 Single Band WiFi Modem
8×4 channel bonding with speeds of up to 150 Mbps on a wired connection
Cox recommends a DOCSIS 3.0 16×4 or higher modem
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Highest Service Level
Preferred 150
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Front View
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Back View
| | 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.
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MAC Address
| | 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
The lights indicate the current status of your 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.
Solid Green| None
DS
(Downstream)
| Blinking Green| Scanning for downstream channel – Verify all cable
connections and try resetting the modem.
Solid Green| None – connection from the computer to the Internet
Solid Blue| None – operating on more than one channel (downstream bond mode)
US
(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 Green| None – connection from the Internet to the computer established
on one channel.
Solid Blue| None – operating on more than one channel (upstream bond mode)
Internet
| Off| No connection – Verify all cable connections and try resetting the
modem.
Solid Green| None – cable WiFi modem operational
Slow Blink| None – cable WiFi modem receiving DHCP information
Fast Blink| None – cable WiFi modem downloading a configuration file
LINK 1 – 4
| Off| No Ethernet link detected
Blinking Green| None. Data is flowing.
Blinking Amber| None – data flowing
Solid Green| None – connected to 1000 Mbps
Solid Amber| None – connected at 10 or 100 Mbps
WPS
| Off| No WiFi client associated with the cable modem via WPS – Enable WiFi.
Blinking Green| None – WPS is in discovery mode, (LED blinks for up to 2
minutes)
Solid Green| None – WPS configuration successful
WLAN
| Off| WiFi disabled
Blinking Green| Data flowing – Enable WiFi by pressing this button for three
seconds.
Solid Green| None – WiFi enabled
Manufacturer Resources
Netgear_CG3000D_User_Guide [PDF]
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>