The cable modem is the device that separates and combines the TV signal and the data signal for transmission over the cable to the apartment.  Following is a description of the front panel LEDs and back panel connections.  Please note the state of the front panel LEDs as described below to assist in the troubleshooting and resolution process when contacting Mediacom or the ITS Help Desk.

Front Panel LEDs

Power - Green (indicates normal operation)

  • The Power LED lights up when the cable modem is powered on.
  • If red, the self test has failed – contact the ITS Help Desk.

Online - Green (indicates normal operation)

  • The Online LED flashes when the cable modem is establishing a connection to Mediacom.
  • The Online LED is solid when the cable modem connection is synchronized with Mediacom.

DS - Green (indicates normal operation)

  • The DS (Downstream) LED flashes when the cable modem is synchronizing the downstream connection to Mediacom.
  • The DS LED is solid when the downstream cable modem connection is synchronized with Mediacom.

US - Green (indicates normal operation)

  • The US (Upstream) LED flashes when the cable modem is synchronizing an upstream connection to Mediacom.
  • The US LED is solid when the upstream cable modem connection is synchronized with Mediacom.

Ethernet - Green (indicates normal operation)

  • The Ethernet LED lights up ONLY when your computer or network device is connected to the cable modem through the Ethernet port on your computer.
  • The Ethernet LED flashes when there is activity on the Ethernet port which indicates normal operation.

USB - Note: If using the USB to connect the cable modem to your computer, contact the ITS Help Desk or Housing Services main office for a cable and Windows driver CD.

Back Panel

Power - The Power jack is used to power the cable modem. Use only the adapter provided with the modem.

Ethernet - The Ethernet jack is for connecting the modem to the Ethernet adapter in your computer. Refer to the Frequently Asked Questions for a description of Ethernet adapter requirements.

Cable - The Cable connection is used for connecting to the coax cable to the building. Note: A splitter is installed to allow for connection to a TV.

USB - The USB jack is for connecting to the USB port on your computer instead of using the Ethernet jack. Note: If using your USB port to connect the cable modem to your computer, contact the ITS Help Desk or Housing Services main office for a cable and Windows driver CD.

Article number: 
244
Last updated: 
May 19, 2016