Smart Modem Gateway status lights
Here's what the status lights mean on your Smart Modem Gateway (VX420-G2H).
| Light | State | Meaning | |
| Power | Off | No power. | |
| Green | Your modem has power. | ||
| DSL | Off | Your modem doesn't have a DSL connection. There may be an outage if your internet uses DSL. | |
| Green | Your modem has a DSL connection. This light flashes during initial connection. | ||
4G* |
Off | No connection to the 4G network. | |
| Green | Your modem is connected to 4G with a strong signal. | ||
| Orange | Your modem is connected to 4G with an OK signal. | ||
| Red | Your modem is connected to 4G a weak signal. | ||
| Internet | Off | Your modem is offline. There may be a problem with the modem settings or its username and password. | |
| Green | Your modem is online. | ||
| 2.4GHz & 5GHz | Off | 2.4GHz/5GHz Wi-Fi is turned off. | |
| Green | 2.4GHz/5GHz Wi-Fi is turned on. | ||
| WAN | Off | Nothing is plugged into the WAN port. | |
| Green | A device is plugged into the WAN port. | ||
| LAN 1-4 | Off | Nothing is plugged into the LAN ports. | |
| Green | At least one device is plugged into the LAN ports. | ||
| Phone | Off | You don't have a TPG Voice (VoIP) phone service. | |
| Green | Your TPG Voice (VoIP) phone is online. This light flashes when the phone is ringing, and blinks slowly when a voicemail is waiting. | ||
| WPS | Off | Wi-Fi Protected Setup (WPS) isn't currently being used. | |
| Green | This light flashes when a Wi-Fi device is trying to connect via WPS, and will stay on for about 5 minutes after a successful connection. | ||
| USB | Off | Nothing is plugged into the USB port. | |
| Green | A device is plugged into the USB port. This light flashes when a new USB device is connected, and when data is being transferred. | ||