Linksys CM3008 High Speed DOCSIS 3.0 Cable Modem Router
Modem InformationDOCSIS 3.0 Cable Modem 8×4 channels with speeds of up to 150 Mbps on a wired connection Cox recommends a DOCSIS 3.0 16×4 or higher modem |
Highest Service LevelPreferred 150 |
Front View |
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Back View |
The modem includes the following connection ports:
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MAC Address |
The information below is usually found on a sticker located on the bottom of the modem.
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Troubleshooting
The lights indicate the current status of your modem. To troubleshoot any connection problems, use the table below.
Modem Light | Status | Problem |
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Power |
On | The modem is powered on. |
Off | No power – Verify power supply connections and electrical outlet. Ensure the outlet is not connected to a switch. Press the Power ON/OFF button on the back of the modem to ensure it is turned on. | |
Receive | Solid Blue | Multiple downstream channels are in use. |
Solid Green | One downstream channel is in use. | |
Blinking | Scanning for downstream channels. – Verify all cable connections and try resetting the modem. | |
Send | Solid Blue | Multiple upstream channels are in use. |
Solid Green | One downstream channel is in use. | |
Blinking Green | Scanning for an upstream channel. – Verify all cable connections and try resetting the modem. | |
Off | No upstream channels are in use. – Verify all cable connections and try resetting the modem. | |
Status | On | The modem is online. |
Blinking | The modem is registering a connection. | |
Off | The modem is offline. – Verify all cable connections and try resetting the modem. | |
Ethernet | On | A device is connected to the Ethernet port. |
Blinking | Data is being transferred over the Ethernet connection. | |
Off | No device is connected or the device is disabled. – Verify all cable connections and try resetting the modem. | |
Reset Button | N/A | Press and hold for five seconds to restore settings to factory defaults and reboot the modem. login/Reset instructions |
Manufacturer Resources
User Guide [PDF].