Comcast Xfinity DPC3939 Quick Start Manual Download Page 5

5

The Wireless Gateway 2 enables you to personalize your home network. Features that 
can be customized using the Admin Tool include:

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 Create rules for different network devices.

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 Manage network security settings.

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  The default 

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can be changed. You may find it helpful 
to keep the 

-2.4

 and 

-5

 in the Network 

Names (SSIDs) to distinguish between 
the two network bands.

  The default 

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which is the same for both 2.4 and  
5 GHz network bands, can be changed. You can change each band separately 
or use the same password for both. Keep in mind that they are case-sensitive.

Note:

  To edit your wireless network info in the Admin Tool, go to 

Gateway

 > 

Connection

 > 

Wi-Fi.

For more information about the Wireless Gateway 2, visit  
http://customer.comcast.com/userguides and download the User Guide.

Wi-Fi Connectivity Tips

If you’re having trouble connecting a Wi-Fi device 

 to your 2.4 and 5 GHz Wi-Fi 

networks (or if neither network appears in the available networks list), simple actions 
may help.
Try the following tips in order. After trying a tip, see if you can connect to your network 
by repeating Steps 2A-2F (p. 3-4). If you can’t connect, try the next tip.

Tip

 1.

  Move the Wi-Fi device next to the Wireless Gateway 2.

Tip

 2.

  On the Wi-Fi device, turn the Wi-Fi setting off and then on.

Tip

 3.

  Restart the Wi-Fi device by powering off and then on.

If none of the above tips resolve your connection issue, reset the Wireless Gateway 2.

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  Resetting the Gateway will disrupt XFINITY Voice and Internet services for 

at least five minutes. Therefore, during the reset, you’ll be unable to make or 
receive any calls, including calls to 911 or emergency services.

Following are two ways to reset the Wireless Gateway 2.

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Use a thin object to press the Reset button on the back panel.  
Hold for 2-5 seconds, and then release.

 

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Holding the Reset button for 15 seconds or more will 
restore default factory settings. Any changes you’ve 
made to the Wireless Gateway 2 (such as passwords, 
parental controls, or firewall settings) will be lost.

 

Or

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bottom panel (if you have one). Insert the battery, then replug.

If you change your default 
wireless network settings, 

write 

down the information 

to replace 

the default wireless network 
settings on p. 2. You’ll need the 
new information to connect 
Wi-Fi devices to your network 
in the future.

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8/23/13   1:30 PM

Summary of Contents for Xfinity DPC3939

Page 1: ... Wireless Gateway 2 Model Numbers DPC3939 TC8707C Quick Start Guide Wireless Gateway 2 Wi Fi Devices ENG_WG2XB3_QSG_1013 indd 1 8 23 13 1 30 PM ...

Page 2: ...t the Wireless Gateway 2 to view the bottom panel On the bottom panel label find the two Network Names SSIDs and the one Network Key Password The case sensitive password is the same for both Network Names SSIDs B Write down your information In the lines below write down your wireless network information for future reference Wireless Network Name SSID 1 for 2 4 GHz Wi Fi Band Example HOME XXXX 2 4 ...

Page 3: ... are below If your operating system is not listed refer to the manufacturer s guides Windows On your Windows Desktop click the Wireless Network icon Android From the Apps screen tap the Settings icon Tap Wireless Networks then Wi Fi Settings Apple Mac OS X On your Mac Desktop click the Wi Fi icon Apple iOS iPad iPhone iPod Touch From the Home Screen tap the Settings icon Tap the Wi Fi icon B Selec...

Page 4: ...nd security settings using the Wireless Gateway 2 s Admin Tool To ensure better security for your Wireless Gateway 2 and home network we recommend changing the default password to a password of your own A Open a web browser from a connected wired or Wi Fi device Go to http 10 0 0 1 and the Login page appears B Enter admin for Username 1 Enter password for Password C Click LOGIN and the At a Glance...

Page 5: ...etwork by repeating Steps 2A 2F p 3 4 If you can t connect try the next tip Tip 1 Move the Wi Fi device next to the Wireless Gateway 2 Tip 2 On the Wi Fi device turn the Wi Fi setting off and then on Tip 3 Restart the Wi Fi device by powering off and then on If none of the above tips resolve your connection issue reset the Wireless Gateway 2 BVUJPO Resetting the Gateway will disrupt XFINITY Voice ...

Page 6: ...networks offer significant advantages With dual band Wi Fi devices you ll experience the benefits of both 2 4 and 5 GHz networks Why use 5 GHz t Higher speed capability than 2 4 GHz t Less wireless interference in the 5 GHz band t Large data such as video or game files download faster than with 2 4 GHz because 5 GHz can support higher speeds t Compatible with many newer 5 GHz Wi Fi consumer electr...

Page 7: ...evice indicate signal strength t Some Wi Fi devices support Wi Fi Protected Setup WPS WPS lets you set up secure Wi Fi networks without manually entering your Wi Fi network information Pressing the WPS button on the Wireless Gateway 2 initiates WPS for both 2 4 and 5 GHz Wi Fi bands You can then connect to either band using WPS Learn about the Wireless Gateway 2 at http customer comcast com usergu...

Page 8: ...ENG WG2XB3 QSG 10 13 ENG_WG2XB3_QSG_1013 indd 8 8 23 13 1 30 PM ...

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