• Español
  •  
  • Herndon, VA

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

    or

    Already a Cox Residential customer?

    Looking for Business services? Go to Cox Business home

TV

Are the cables in your living room creating a jungle? Don't worry – we'll help you untangle things so that Digital Television makes sense. Just pick the category that describes your problem, and we'll guide you through it – step-by-step.

Back Print Article

RCA DCM425 Cable Modem

Last Updated: Wed, 21 May 2014 > Related Articles

20 rated this

Summary

Learn about the available ports and an explanation of the status lights on a RCA DCM425 cable modem.

Solution

Installation

If you need help setting up your cable modem, refer to the following articles.


The RCA DCM425 is a DOCSIS 2.0 cable modem.


Front View
 


After the cable modem has successfully registered on the network, the Cable Link and Internet indicators illuminate continuously to indicate that the cable modem is online and fully operational. For more details, refer to the Modem Lights section.

Back View
 


The RCA DCM425 has the following ports available on the back of the modem:

  • Power - Connects the cable modem to the power adapter.
  • Reset - Resets the cable modem.
  • ETHERNET - 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 RESET button is for maintenance purposes only. For more details, refer to the Modem Lights section.

Modem Lights


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

Ethernet Connection - Modem functioning correctly
 

Modem Looking for PC
 

Modem Looking for Cable Connection
 

By pressing the Internet On/Off button, it will put the modem in stand-by mode. In stand-by mode the cable Activity LED will be off, and the connection to the internet will be lost.

Modem LightStatusProblemSolution
INTERNET ON/OFF*
(Power)
 
Solid GreenNone. Power is properly connected.N/A
OffNo powerVerify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch.
PC LinkSolid GreenNone.N/A
FlashingNone. Modem is transmitting data.N/A
OffUnable to detect computer connectionVerify Ethernet/USB cable connections, the TCP/IP settings and the NIC. You might need to reinstall the NIC drivers. If this does not resolve the issue, contact Customer Support.
Cable-LinkSolid GreenNone.N/A
Flashing greenLooking for cable connectionVerify all cable connections and try resetting the modem. If connection is OK and modem reset does not correct the problem, contact Customer Support.
OffNo cable connection
ActivityBlinkingNone. Transmitting or receiving dataN/A
OffNone. No data being transferredN/A
MessageOffNone.N/A

MAC Address Label
 


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.


Rate this Article:

Related Topics:

Give us your feedback:

Feedback

Maximum 500 characters

Back Print Article

Need More Help?