• Shopping Cart
  • Contact Us
  • Select a Location
    Select a Location

    Current Location:

    Let us know the location you'd like to browse.

    OR
  • View Cart

Linksys CM3008

Details

     

Modem Information

DOCSIS 3.0 Cable Modem

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

Cox recommends a DOCSIS 3.0 16x4 or higher device for optimal Internet performance.

Highest Service Level

Preferred 100

   

Front View

Front View of Linksys CM3008

Click to enlarge.

 
     

Back View

Back View of Linksys CM3008 modem

Click to enlarge.

 

The modem includes the following connection ports:

  • POWER - Connects to the power adapter
  • ETHERNET - Connects devices to the 10/100/1000 RJ45 Ethernet port
  • CABLE - Connects to a coaxial cable
     

MAC Address

MAC Address of Linksys CM3008 modem

Click to enlarge.

 

The information below is usually found on a sticker located on the bottom of the modem.

  • The S/N is the serial number of the Linksys CM3008 modem.
  • The CM MAC is the MAC address of the Linksys CM3008 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

Power light
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

Receive light
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

Send light
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

Status light
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

Ethernet light
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

reset button
N/A Press and hold for five seconds to restore settings to factory defaults and reboot the modem.

Manufacturer Resources

User Guide (PDF).

Search for More Articles

Image of 2 Chat Bubbles

Need Immediate Help? Let's chat!

Chat live with a Cox agent to get the fastest answers to all your top questions.

Modal Id: ttps:--www.cox.com-residential-modals-support-call-jcr:content-parcontent-sectioncontainer.html