The following list shows all of the LED displays that can occur during use of a TeraPro cable modem. As a subscriber, you are likely to see the first group of LED displays. They occur during during normal conditions. The second group shows LEDs that might occur if you are experiencing difficulty with the modem connection. If you see a LED sequence in the second group, call your cable operator or internet service provider and describe the LED.

Running A Self-Test	Scanning For Forward Data Channel
Connecting to Forward Data Channel	Attempting to Authenticate Modem
Not Authenticated on First Found Data Channel	Enabling the Modem
Modem On-Line & Ready for Use	Modem On-Line & Passing Data
If you are experiencing difficulty with your modem connection, you could see a display like one below. Write down the name of the LED display that most closely corresponds to the one you are seeing and tell your cable provider.
Incomplete Authentication	Self-Test Failed
Waiting for Software Download	Software Download in Progress
If the problem is with communication over the cable network, you might see an LED that is similar to one below.
Forward Signal Problems
Return Signal Problems

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