Linksys BEFCMU10v3 cable modem user manual
- June 7, 2024
- Cox
Table of Contents
Linksys BEFCMU10v3 cable modem
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Modem Information
Cable Modem
DOCSIS 2.0 with speeds of up to 25 Mbps on a wired connection
Not compatible with future speed increases
Cox recommends a DOCSIS 3.1 modem or gateway
What does this mean?DOCSIS 2.0 has a maximum speed of 25 Mbps on the Cox network.
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Highest Service Level
Starter
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Front View
| | 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
| | 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.
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MAC Address
| | 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
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.
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