Consumers - CM820A/NA: GUI Access

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CM820A/NA: GUI Access

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How do I access the Graphical User Interface (GUI) for the CM820 cable modem?


The CM820 Cable Modem has a Graphical User Interface (GUI) menu which includes modem statistics, current connection status, and system logs.  This document describes how to access the GUI.

Accessing the GUI

  1. Launch a web browser, such as Internet Explorer, Firefox, or Safari.  Enter into the address box.  The Status page appears.


Here is a brief description of each page in the CM820 menu:

  • Status - Provides information about the startup process of the Cable Modem.
  • HW/FW Version - Provides information about the hardware and firmware version of the unit.
  • CM State - Provide information about the status of the cable modem's HFC and IP network connectivity.
  • Event Log - Provides diagnostic messages generated by the Cable Modem, which is intended for use by a qualified technician.
  • Advanced - Used by qualified technicians.  



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