Note: If you are using an Ethernet (RJ-45) cable not provided by AT&T, make sure it is a straight-through cable and not a crossover cable. If already enabled, disable the NIC and re-enable.

Go to Device Manager to make sure the NIC is enabled.

If the cable is defective, contact Technical Support for a new RJ-45 patch cable. Make sure the cable isn't a crossover type cable.

If another Ethernet (RJ-45) cable is available, swap out cables to make sure yours isn't defective.Verify you're using the provided yellow Ethernet cable and check the connections to the computer's Network Interface Card (NIC)/Ethernet port and the Ethernet port on the back of the Motorola modem.If your Ethernet light doesn't light up, try the following: No inbound Internet traffic or modem is off. Modem is attempting to connect to the Internet. Modem is not connected to the Internet or modem is off. Contact Technical Support.įlashing Red Simultaneously with Ethernet Status Light Traffic between connected device and modem.įlashing Green Simultaneously with DSL Status Light No Ethernet connectivity or modem is off.Ī device is connected by Ethernet to the modem. Power on/self-test failed or modem has malfunctioned. Power is off or modem is not getting power. The following chart explains what each status light means.

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