| LED Icon | LED Status | Description |
 | Flashing Blue | Installed battery is bad or low power. |
| Solid Blue | Battery installed properly (dependent on voice service). |
| Off | No battery installed or modem using battery power |
 | Flashing Blue | Off - hook |
| Solid Blue | On - hook |
| Off | Disabled or modem is not properly plugged into electrical outlet. |
 | Flashing Blue | Off - hook |
| Solid Blue | On - hook |
| Off | Disabled or modem is not properly plugged into electrical outlet. |
 | Flashing Blue | Scanning for an Internet connection. |
| Solid Blue | Modem is connected to the network. |
| Off | Back-up battery in use or modem is not properly plugged into electrical outlet. |
 | Flashing Blue | Scanning for upstream (Send) and downstream (Receive) channel connections. |
| Solid Blue | Upstream (Send) and Downstream (Receive) channels are connected. |
| Off | Back-up battery in use or modem is not properly plugged into electrical outlet. |
 | Flashing Blue | Back-up battery is in use. |
| Solid Blue | Power is properly connected. |
| Off | Modem is not properly plugged into electrical outlet. |
