How do I set up my ARRIS TG3452 modem?

Article author
Cogeco Support
  • Updated

Refer to the video below for an example of a quick setup of a Cogeco modem. Please note that the modem in the video will not match your model, but the basic steps are the same.

It’s easy to set up Internet and Wi-Fi with the Self-Install Kit we sent you. The kit includes:

  • ARRIS TG3452 modem (pictured below)
  • Coaxial cable
  • Power supply cable
  • Ethernet cable

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Note: If you received a different modem, see here to identify the model and get setup steps.

Caution: While you are replacing your modem, your phone and Internet services will not be operational. We recommend you perform the procedure at a time when your Phone or Internet service is not actively being used in your household.

Step 1: Remove your old equipment

If this is a replacement modem, begin by disconnecting and packing up your old equipment. If your modem has a security sleeve covering the cable connector, we’ll send you a special unlocking tool.

  1. Align the unlocking tool with the cable.
  2. Push the tool down towards the security sleeve until it is firmly connected.
  3. Using the handle, rotate the tool counterclockwise until the cable is separated from the modem.
  4. Include the security sleeve and unlocking tool when packing up your modem.

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See he=re for steps to pack up your modem and return it to us. Make sure to follow these instructions to avoid any unnecessary charges.

Step 2: Get your Wi-Fi credentials

To obtain your Wi-Fi credentials, please refer to the sticker located on the back or bottom of your equipment. Your default Wi-Fi network name (SSID) and password can be found there. Tip: You may want to take a picture of the label for quick reference later.

Note: For more information on managing your Wi-Fi network name and password, see here.

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Step 3: Find an appropriate location for your modem

To ensure the best possible signal strength, your modem should be placed:

  • In a centralized location in your home (such as in a main floor living room) and near the devices you need to connect by wire, such as a landline phone.
  • In an open space.
  • 3 feet off the ground.
  • Away from any obstacle that may block the Wi-Fi signal such as wireless electronics, or materials like metal, concrete, or mirrored surfaces.

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Step 4: Connect your modem

  1. Locate an unused coaxial wall outlet.
  2. Connect the coaxial cable provided from the wall outlet to the cable connector at the rear of your modem. Hand-tighten the connectors to avoid damaging them.
  3. Connect the power cord from the modem to an active wall power outlet. This will start the modem synchronization process, which can take 15 to 20 minutes.
  4. The online light on the front of your modem will blink with a blue colour while it is synchronizing. Once the process has completed, the online indicator light will turn solid green.
  5. If you do not see the correct indicator light pattern after 20 minutes, try moving your modem to another coaxial outlet in the home (if available) and repeat the above process.

Good to know: If you connect your modem to a power bar, please ensure that the power bar is always switched on.

Step 5: Connect your wireless device

You can now connect all your wireless devices. To learn how, refer to our articles on Wi-Fi connections.

Step 6: Connect your phone service

If you also have phone service with Cogeco, follow these steps to set up your phone service.

  • If your phone uses an electrical power supply, ensure it is connected to the base of your phone.
  • Connect a telephone wire (not provided) from the base of your phone, and connect the other end of the wire to the phone jack on the back of the modem. The phone jack located at the top of the modem is used for Line 1.
  • If you subscribe to 2 telephone lines, you may attach a second telephone to the Line 2 phone jack.
  • To confirm your Cogeco phone number, dial 21# from your Cogeco phone and a message will play that will provide you with your phone number.

Step 7: Test your installation

After your installation, you will receive a text message from Cogeco confirming your installation quality level. If the signal is not good, try to tighten the coaxial cable at the back of your modem and at the outlet or see here for additional troubleshooting steps.

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