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Support XFINITY Internet Plug In and Power Up Your Wireless Network with a Wireless Gateway

Introduction

Once you’ve ensured the Comcast wireless gateway is in the best location in your home, it’s time to plug it in and power it up.

Overview

Once you set up your network, you can wirelessly access the Internet from your computer, laptop, game system and more. Your wireless gateway or wireless router makes it easy to set up your network and adjust your settings. Before you begin, you can find out more information about wireless networking at What is Home Networking?, or you can find out how to set up a wireless network with these simple steps.

These steps are specific to customers with the following equipment:

  • Wireless Gateway 1 (model numbers TG852G, TG862G, SMCD3DNV, or TC8305C)
  • Wireless Gateway 2 (model number DPC3939)
  • Wireless Gateway 3 (model number DPC3941T)
  • Other routers may have some variations

Connect Your Wireless Gateway

Before you can get online through your wireless gateway, you’ll need to make sure it’s properly connected. Please check that:

  1. Your wireless gateway is connected to the Internet through the Cable connector on the back panel with a coaxial cable.
    Back panel of a wireless gateway
     
Wireless gateway back panel features are:
  • Reset button: resets the wireless gateway
  • USB host connector [For Future Use]
  • Tel1 connector for analog phone line
  • Tel2 connector for analog phone line
  • Gigabit Ethernet (1-4) connectors for use with a computer LAN port
  • Cable connector for the coaxial cable
  • Power connector for the power cord
     
  1. Your wireless gateway is plugged into a power source through the Power connector with the provided power cord.
  2. The Power, Online and WiFi LED indicators on the front panel are steadily lit. This may take several minutes after plugging in your wireless gateway.
    Wireless gateway - front of device, displaying Power, Online and WiFi LED lights (and other indicators).
Now you are ready to activate your Comcast services and your wireless gateway. See How to Activate Your Wireless Gateway for more information.

Find this article at:

http://customer.comcast.com/help-and-support/internet/setup-a-wireless-network/