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Troubleshooting the Scientific Atlanta DPC2100 Cable Modem
Last Updated: Wed, 23 Nov 2011 > Related Articles
This article provides an overview of the available ports and an explanation of the status lights on a Scientific Atlanta DPC2100 cable modem.
The Scientific Atlanta DPC2100 is a DOCSIS 2.0 cable modem.
After the cable modem has successfully registered on the network, the POWER, RECEIVE, and CABLE indicators illuminate continuously to indicate that the cable modem is online and fully operational. For more details, refer to the Modem Lights section.
The Scientific Atlanta DPC2100 has the following ports available on the back of the modem:
- Power - Connects the cable modem to the power adapter.
- RST - 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.
|Power||Off||No power.||Verify power supply connections, the power switch on the modem itself, the electrical outlet, and make sure the outlet is not connected to a switch.|
|Flashing||An error has occurred during normal operation.||Verify coaxial cable connection and try resetting the modem. If cable is ok & reset doesn’t work, contact Customer Support.|
|Receive||Flashing||None. Transmitting or receiving data.||N/A|
|Send||Flashing||None. Transmitting or receiving data.||N/A|
|Searching for cable connection.||Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work, contact Customer Support.|
|Fast Flashing Modem||Searching for cable connection.||If this is a new modem or a replacement modem, you must contact Cox with your MAC address. If there are several MAC addresses on the modem, use the “HFC” or “RF” MAC address. View MAC Address Label|
|Off||No cable connection.||Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work,contact Customer Support.|
|PC||Flashing Green||None. Successfully found the computer through an Ethernet connection. Cable modem transmitting data.||N/A|
|Off||No Ethernet found.||Verify Ethernet 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.|