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Scientific Atlanta DPC2100 Cable Modem

Last Updated: Fri, 13 Jan 2012 > Related Articles

Summary

Learn about the available ports and an explanation of the status lights on a Scientific Atlanta DPC2100 cable modem.

Solution

 

 


The Scientific Atlanta DPC2100 is a DOCSIS 2.0 cable modem. 

Front View

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.

Back View

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.

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

No Connection - Modem functioning correctly

Modem Looking for Cable Connection 

Modem LightStatusProblemSolution
PowerOffNo 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.
FlashingAn 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.
ReceiveFlashingNone. Transmitting or receiving data.N/A
SendFlashingNone. Transmitting or receiving data.N/A
CableSlow
Flashing		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 ModemSearching 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
OffNo cable connection.Verify all cable connections and try resetting the modem. If cable is OK and modem reset doesn't work,contact Customer Support.
PCFlashing GreenNone. Successfully found the computer through an Ethernet connection. Cable modem transmitting data.N/A
OffNo 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.

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.

Manufacturer Resources



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