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Linksys BEFCMU10v3

 

Details

     

Modem Information

Cable Modem

DOCSIS 2.0 with speeds of up to 25 Mbps on a wired connection.

Not compatible with future speed increases.

What does this mean?DOCSIS 2.0 has a maximum speed of 25 Mbps on the Cox network. Cox recommends a DOCSIS 3.0 16x4 or higher device for optimal Internet performance.

Highest Service Level

Essential

   

Front View

Front View

Click to enlarge.

After the cable modem successfully registers on the network, the Power, Cable, and USB or Ethernet indicators illuminate continuously to indicate that the cable modem is online and fully operational.

     

Back View

Back View

Click to enlarge.

 

The Linksys BEFCMU10v3 has the following ports available on the back of the modem.

  • POWER - Connects the cable modem to the power adapter
  • RST - Used to reset the modem
  • LAN - Connects to the Ethernet port on your computer
  • USB - Connects to the USB port on your computer
  • CABLE - Connects to the cable wall outlet

The RST button is for maintenance purposes only.

     

MAC Address

MAC Address Label

Click to enlarge.

 

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

Ethernet Connection - Modem functioning correctly

USB Connection - Modem functioning correctly

USB / Ethernet Connection - Looking for cable connection


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

Modem Light Status Problem

Power

Solid Green

None.

Off No power. Verify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch.
Cable Slow
Flashing green
Searching for cable connection. Verify all cable connections and try resetting the modem.
Fast Flash Modem Searching for cable connection. If this is a new modem or a replacement modem, you must contact Cox with your MAC address Click Here. If there are several MAC addresses on the modem, please use the “HFC” or “RF” MAC address.
Off No connection cable connection. Verify all cable connections and try resetting the modem.
Activity

Flashing Green

Traffic is passing through the cable modem port.
Ethernet Solid Green None. Ethernet connection to computer found.
Off No Ethernet found. Verify Ethernet cable connections, the TCP/IP settings and the NIC. You might need to reinstall the NIC drivers.
USB Solid Green None. USB connection to computer found.
Off No USB found. Verify USB cable connections, the TCP/IP settings and the USB cable. You might need to reinstall the USB drivers.

Manufacturer Resources

For more detailed technical information on the BEFCMU10v3, use the resources below.

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