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January 2021

Coaxial 

connector

Power 

connector

Before you begin:

 

Collect this cable Internet service provider (ISP) account information: your 
account mobile phone number, user name, password, and account number.

 

Collect this modem router information: the model number, which is C7500, 
and the MAC address and serial number from the modem router label.

 

If you use Xfinity, download the Xfinity app from the App store or from 
Google Play™. If you already have the Xfinity app, make sure you have 

updated to the latest version.

Connect your modem router

1.  Turn off and disconnect existing modems and routers.

If you are replacing a modem that is currently connected in your home, 
unplug the modem and plug the new modem router into the same outlet.

2.  Connect a coaxial cable.

Use a coaxial cable to connect the coaxial cable connector on the 
modem router to the cable wall outlet. Make sure the cable is tightly 
connected. 

We recommend connecting directly to the cable wall outlet. 
If you must share the connection, use a 3.5dB (1 to 2) 
splitter.

3.  Connect the power adapter to the modem router and plug the power 

adapter into an electrical outlet.

Install the modem router

4.  Wait for the Online LED 

 to light solid white for at least one minute.

This process might take up to ten minutes and the modem router might reset 
several times.

Note: 

When the Online LED lights, your  modem router is still not connected 

to the Internet. You must activate your modem router with your ISP.

If after ten minutes, the LED is still not solid white, verify that the cable outlet is 
working, or call your ISP to make sure you have a connection.

Set up and activate your modem router with Xfinity

1. 

If your current modem is leased from Xfinity, call Xfinity support to remove 
your leased modem from your Xfinity service.

2.  Make sure that your mobile device is using an LTE Internet connection. Do not 

connect to a WiFi network.

3. 

Open the Xfinity app and sign in with your Xfinity ID.

4.  Follow the steps to get online.
5. 

The activation process takes about five minutes. 

6.  On your mobile device, launch a web browser and enter 

routerlogin.net

 or 

192.168.0.1

 in the address field.

7.  Follow the prompts to:

•  Agree to the terms and conditions.
•  Change your modem router’s admin credentials and set up security 

questions.

•  Review your WiFi network name and password.

Set up your modem router with another 

cable Internet service provider

1.  Connect your computer or mobile device to the modem router with WiFi or 

Ethernet:

WiFi

: Use the WiFi network name (SSID) and password on the modem router 

label to connect.

Ethernet

: Use an Ethernet cable to connect a computer to an Ethernet port 

on the modem router. (Your computer must have an Ethernet port.)

Regulatory and Legal

For regulatory compliance information including the EU Declaration of Conformity, visit 

https://www.netgear.com/about/regulatory/

.

See the regulatory compliance document before connecting the power supply.

For NETGEAR’s Privacy Policy, visit

 https://www.netgear.com/about/privacy-policy

.

By using this device, you are agreeing to NETGEAR’s Terms and Conditions at  

https://www.netgear.com/about/terms-and-conditions

. If you do not agree, return the device to your 

place of purchase within your return period.

For 6 GHz devices: The operation of this device is prohibited on oil platforms, cars, trains, boats, and aircraft, except 

that operation of this device is permitted in large aircraft while flying above 10,000 feet. Operation of transmitters in 

the 5.925-7.125 GHz band is prohibited for control of or Communications with unmanned aircraft systems.

NETGEAR, Inc. 

350 East Plumeria Drive 

San Jose, CA 95134, USA

NETGEAR INTERNATIONAL LTD 

Floor 1, Building 3 

University Technology Centre  

Curraheen Road, Cork, 

T12EF21, Ireland 

2.  Launch a web browser and enter 

routerlogin.net

 or 

192.168.0.1

 in the 

address field.

3.  Follow the prompts to:

•  Agree to the terms and conditions.
•  Change your modem router’s admin credentials and set up security 

questions.

•  Review your WiFi network name and password.

When the Basic Home page displays, you are ready to activate your Internet 
service. Contact your cable Internet service provider.

Note to CATV system installer: This reminder is provided to call the CATV systems installer’s attention 

to Section 820-93 of the National Electrical Code, which provides guidelines for proper grounding 

and, in particular specifies that coaxial cable shield shall be connected to the grounding system of the 

building as close to the point of cable entry as practical.

© NETGEAR, Inc., NETGEAR and the NETGEAR Logo are trademarks of NETGEAR, Inc. Any 

non-NETGEAR trademarks are used for reference purposes only.

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