Scientific Atlanta PCX2100 Light Statuses

Modem Light	Status	Problem	Solution
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, call technical support.
Receive	Flashing	transmitting or receiving data	No Problem
Send	Flashing	transmitting or receiving data	No Problem
Cable	Slow 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 (Email or Chat).
	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 Click Here. If there are several MAC addresses on the modem, please use the “HFC” or “RF” MAC address. View Mac address Label
	Off	No connection cable Connection	Verify all cable connections and try esetting the modem. If cable is OK and modem reset doesn't work, contact Customer Support (Email or Chat).
PC	Flashing Green	None	Successfully found the computer through an Ethernet connection. Cable modem transmitting data.
	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 technical support. (Email or Chat).