What do the LED lights mean on the Telstra Smart Modem Gen 3

The Smart Modem Gen 3 is Telstra's newest Smart Modem, bringing the latest hybrid technology to your home broadband and allowing you to:

• Upgraded Wi-Fi:

  Telstra Smart Modem 3 has next-gen Wi-Fi 6 technology to let you connect many more devices at greater speeds. It’s perfect for today’s busy homes:

  Stream on up to 12 devices at once
  Up to 4 times more Wi-Fi capacity
  Up to 60% faster than our previous modem
  Longer battery life for your connected devices

• Connect sooner - Get online even before your home broadband is activated with your Telstra Smart Modem Gen 3. Its inbuilt, pre-activated SIM can connect to Telstra's mobile network right out of the box.

• Have a built-in backup plan - No home broadband due to network upgrades or bad weather? Your Telstra Smart Modem Gen 3 will automatically switch to Telstra's mobile network if required, so you’ll be back online in minutes, as long as 4G coverage is available.
  Mobile speeds are limited to 6/1 Mbps and will vary with local conditions and content. You can put in your own Telstra full size data sim to get uncapped speeds.
  

Model: Cobra XH

Understanding the lights on your Telstra Smart Modem Gen 3 can help keep you informed of your internet connection status, and help diagnose problems if you’re having connection difficulties. 

They are identical to the Gen 2. You can find more information about the Telstra Smart Modem Gen 2.

If you have a Telstra Smart Modem or Telstra Gateway Frontier, you can find out what the lights on these mean here.

If you're having trouble with your internet connection, request help from IT Solver (We're independent of Telstra!)

The above photo shows back LEDs of a newly connected Telstra Smart Modem Gen 2 with Online light is green, indicating it has an nbn connection.

Front Light Indicator

Back Light Indicator

Detailed descriptions of LED light indicators:

FAQ

What is the Telstra Smart Modem Gen 3 and what are its key features?

The Telstra Smart Modem Gen 3 is Telstra's latest modem, featuring hybrid technology. Its key features include upgraded Wi-Fi 6 technology for connecting more devices at faster speeds, the ability to get online before your home broadband is activated using its inbuilt, pre-activated SIM on the mobile network, and a built-in backup plan that automatically switches to the mobile network if the fixed broadband connection is unavailable.

What are the benefits of the Telstra Smart Modem Gen 3's Wi-Fi 6 technology?

The Telstra Smart Modem Gen 3's Wi-Fi 6 technology offers significant improvements for busy homes. It allows streaming on up to 12 devices simultaneously, provides up to four times more Wi-Fi capacity compared to previous modems, is up to 60% faster, and can also contribute to longer battery life for your connected devices.

How does the "Connect sooner" feature work on the Telstra Smart Modem Gen 3?

The "Connect sooner" feature allows you to get online immediately after receiving the Telstra Smart Modem Gen 3, even before your home broadband service is fully activated. This is possible because the modem has an inbuilt, pre-activated SIM that can connect to the Telstra mobile network straight out of the box.

How does the built-in backup plan function on the Telstra Smart Modem Gen 3?

The built-in backup plan provides uninterrupted internet access. If your home broadband connection is lost due to issues like network upgrades or bad weather, the Telstra Smart Modem Gen 3 will automatically switch over to the Telstra mobile network within minutes, as long as 4G coverage is available in your area.

Are there any limitations to the speeds when the Telstra Smart Modem Gen 3 is using the mobile network for backup?

Yes, when the Telstra Smart Modem Gen 3 is using the mobile network for backup, mobile speeds are limited to 6/1 Mbps. These speeds can also vary depending on local conditions and the content you are accessing. You have the option to insert your own Telstra full-size data SIM to potentially achieve uncapped speeds.

How can I understand the connection status of my Telstra Smart Modem Gen 3 using the lights?

Understanding the lights on your Telstra Smart Modem Gen 3 is crucial for monitoring its connection status and diagnosing problems. The front light indicates the overall connection status (Green for fixed network, Blue for mobile backup, Red for no connection, Orange for trying to connect, White for booting up, and no light for offline). The back lights provide information about the 4G mobile signal strength (Green for great, Orange for good, Red for weak). Detailed light descriptions are provided in the modem's documentation.

What does a solid blue front light on the Telstra Smart Modem Gen 3 indicate?

A solid blue front light on the Telstra Smart Modem Gen 3 indicates that the modem is connected to the 4G mobile network, either as a backup or if you are using a Home Wireless Voice service. This means your internet connection is currently being provided via the Telstra mobile network.

What does a solid red front light on the Telstra Smart Modem Gen 3 signify?

A solid red front light on the Telstra Smart Modem Gen 3 signifies that the modem has no connection. This means that both the fixed broadband connection and the mobile network backup have failed to connect, and the modem is actively trying to establish a connection on both.

Source: Telstra