TP-Link VR1600v modem status lights
The article will explain the status lights found on the TP-Link VR1600v modem, which may be useful during setup and troubleshooting.
| Light | State | Meaning | |
| Power | Off | Modem has no power. | |
| Green | Modem has power. Flashes while booting up. | ||
| DSL | Off | Modem has failed to establish DSL sync. | |
| Green | Modem has established DSL sync. | ||
| Internet | Off | Modem has not authenticated successfully and is offline. | |
| Green | Modem has authenticated successfully and is online. | ||
| 2.4G/5G | Off | 2.4GHz/5GHz WiFi is disabled. | |
| Green | 2.4GHz/5GHz WiFi is enabled. | ||
| WPS | Off | WPS mode not currently in use. | |
| Green | Flashes during a WPS connection attempt (may take up to 2 minutes). Remains on for ~5 minutes after successful connection. | ||
| WAN | Off | No device plugged into modem’s WAN port. | |
| Green | Device plugged into modem’s WAN port. | ||
| LAN 1-4 | Off | No device(s) plugged into modem’s LAN ports. | |
| Green | Device(s) plugged into modem’s LAN ports. | ||
| Phone | Off | VoIP phone is online. | |
| Green | VoIP phone is offline. | ||
| USB | Off | No USB device plugged into the USB port. | |
| Green | USB device is ready to use. Flashes while a new USB device is booting up. | ||