FAQ
What do the UTC, UTD and UTU modem lights indicate?
Answer
| Indicator | State | Meaning |
| Power Indicator | Off | Turned OFF |
| Blue | Turned ON | |
| Blinking | Fault | |
| Link/Communication Indicator | Off | Turned OFF |
| Amber | No signal receiving | |
| Yellow | Weak signal receiving. Blinking when communicating | |
| Green | Strong signal receiving. Blinking when communicating | |
| PC connection indicator (on new Desktop modem) | Off | Port not active |
| Amber | USB port | |
| Green | 10Base-T port | |
| Quality indicator (on old grey Desktop modem) | Off | No signal receiving |
| | Green | On according to signal receiving quality |

