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Zoom 5241


Modem Information

Cable Modem

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

Cox recommends a DOCSIS 3.0 16x4 or higher modem

What does this mean?DOCSIS 2.0 has a maximum speed of 25 Mbps on the Cox network.

Highest Service Level


Front View

Front View

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After the cable modem is successfully registered on the network, the POWER, DS, US, and ONLINE indicators illuminate continuously to indicate that the cable modem is online and fully operational.

Back View

Back View

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The Zoom 5241 has the following ports available on the back of the modem.

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

MAC Address

MAC Address

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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.


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

Modem LightStatusProblem
POWEROffNo power. Verify power supply connections and electrical outlet, also make sure the outlet is not connected to a switch.
DSBlinkingEstablishing a connection from the Internet to the computer. Verify cable connections and try resetting the modem.
USOffEstablishing a connection from the computer to the Internet. Verify cable connections and try resetting the modem.
ONLINE BlinkingEstablishing a connection to the cable provider. Verify cable connections and try resetting the modem.
SolidNone. Connection established
LINKBlinkingNone. Data is flowing between the computer and the Internet
SolidNone. Connected to LAN device

Manufacturer Resources

For more detailed technical information on the 5241, use the resources below.

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