- Read the chart below.
- Refer to the documentation that came with your modem.
- If you connected the USB cable to the modem, make sure you installed the Westell Utilities/USB driver software on your computer. Utilities and driver software for the Westell 6100 or 6110 modem are included on the installation CD.
| Light | Status | Possible Troubleshooting Solution |
| Power | Solid Green | The modem power is on. Look at the other lights to troubleshoot connectivity issues. |
| No light | The modem power is off. Check the power cord. Turn the modem on and try to reconnect. | |
| Ethernet | Solid Green | The link is established. |
| Flashing Green | The modem is transmitting or receiving data. | |
| No Light | No link between modem and Verizon Online. | |
| USB | Solid Green | The link is established. |
| Flashing Green | The modem is transmitting or receiving data. | |
| No Light | The link is not established. | |
| Slow Flashing Green | The modem is turned on and attempting to connect. | |
| Moderate Flashing Green | The modem is turned on, is attempting to connect, and is verifying your user information. | |
| DSL | Steady Green | The connection between the modem and your system is established. |
| Red | While the modem powers up and tests its connection, the light stays on for about 20 seconds. If the light stays on longer than that or starts flashing, this indicates that the modem test has failed. Troubleshoot the connection issue. | |
| Blinking Red | The modem failed the power-up test. Turn the modem off for 45 seconds, then turn it back on. Next, try to re-connect. | |
| Solid Amber | The modem is in safe boot mode. | |
| Off | The modem power is off. After checking the power supply, turn the modem off for 45 seconds, then turn it back on. Next, try to re-connect. | |
| Internet | Solid Green | Internet connection is established. |
| Red | No Internet connection is established. Verify that all lines and filters are properly connected, and then power cycle your modem (turn the modem off for 45 seconds, then turn it back on). Try to re-connect. |

