The article will explain the status lights found on the TG-789 Broadband Gateway modem, which may be useful during setup and troubleshooting.
|Status||Off||Modem has no power.|
|Red||Modem is offline.|
|Green||Modem is online.|
|Orange||Modem is rebooting or powering up. Flashes during firmware upgrade.
Note: this light may briefly shine white/blue when the power button is pressed but this does not indicate anything in particular.
|WAN||Off||No Sync or modem has no power.|
|Green||Modem has Sync. Flashes during initial connection activity.|
|Internet||Off||Modem has no power.|
|Red||Modem has no authentication.|
|Green||Modem has authentication. Flashes during connection activity.|
|Wireless 2.4/5||Off||WiFi off/disabled or modem has no power.|
|Green||WiFi enabled. Flashes during WiFi network activity or when WiFi network is booting up.|
|WPS||Off||WPS not in use or modem has no power.|
|Flashing orange||WPS search mode on or WPS connection in progress.|
|Green||WPS connection successful.|
|Red||WPS connection failed - try again.|
|Ethernet||Off||Nothing connected to LAN ports or modem has no power.|
|Green||Ethernet connection to any LAN port. Flashes during Ethernet connection activity.|
|USB||Off||No USB device detected.|
|Green||USB device detected. Flashes during connection activity.|
|Phone||Off||VoIP disabled or modem has no power.|
|Green||VoIP enabled. Flashes during calls.|
|Wireless on/off button||N/A||Press this button to turn WiFi ability on/off.|