Light patterns, images, manuals and more helpful info for the Motorola SB5120 cable modem –
| Manufacturer: Motorola | Model: SB5120 |
| Modem Light Indicators | |
| Power | Flashing – Startup diagnostics in progress. |
| Receive | Flashing – Scanning for a downstream channel. |
| Send | Flashing – Scanning for an upstream channel. On – Upstream channel is connected. |
| Online | Flashing – Scanning for a network connection. |
| Activity | Flashing or On – Transmitting or receiving data. |
| Standby | This light turns on when the standby button is pressed and standby mode is activated. If this light is on, all other lights will be off. |
| Notes and Useful Information: Installation and User Manual (Requires Adobe Acrobat) |