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Quick Start

AC3200 WiFi Cable Modem Router

Model C7500

X4

LED

Description

Power

• 

Solid white

: Power is supplied to the modem router.

• 

Red

: Power is cut off due to a thermal error caused by heat. Move the unit to a 

well-ventilated area and power-cycle the unit.

• 

Off

: No power is supplied to the modem router.

Downstream

• 

Solid amber

: One downstream channel is locked.

• 

Solid white

: Two or more downstream channels are locked.

• 

Blinking white

: The modem router is scanning for a downstream channel.

• 

Off

: No downstream channel is locked.

Upstream

• 

Solid amber

: One upstream channel is locked.

• 

Solid white

: Two or more upstream channels are locked.

• 

Blinking white

: The modem router is scanning for an upstream channel.

• 

Off

: No upstream channel is locked.

Online

• 

Solid white

: The modem router is online.

• 

Blinking white

: The modem router is synchronizing with the cable provider’s 

cable modem termination system (CMTS).

• 

Slow blinking amber and white

: The modem router reached the traffic meter 

limit. (For more information, see the user manual.)

• 

Off

: The modem router is offline.

2.4 GHz 

radio

• 

Solid white

: The 2.4 GHz WiFi radio is on.

• 

Blinking white

: There is WiFi activity on the 2.4 GHz band.

• 

Off

: The 2.4 GHz WiFi radio is off.

5 GHz radio

• 

Solid white

: The 5 GHz WiFi radio is on.

• 

Blinking white

: There is WiFi activity on the 5 GHz band.

• 

Off

: The 5 GHz WiFi radio is off.

USB 1 and 

USB 2

• 

Solid white

: A USB device is connected and ready.

• 

Off

: No USB device is connected, or someone clicked the Safely Remove 

Hardware button and it is now safe to remove the attached USB device. 

Ethernet

• 

Solid white

: A powered-on device is connected to an Ethernet port.

• 

Blinking white

: The Ethernet port is sending or receiving traffic.

• 

Off

: No device is connected to an Ethernet port.

WiFi On/Off

 

button with 

LED

Pressing this button for two seconds turns the WiFi radios in the modem 

router on and off. If this LED is lit, the WiFi radios are on. If this LED is off, 

the WiFi radios are turned off and you cannot use WiFi to connect to the 

modem router. 

Cable Internet 
Provider

Support and Activation Contact Information

Cox

https://www.cox.com/residential/support/home.html 

https://www.cox.com/activate 

1-888-556-1193

Mediacom

https://support.mediacomcable.com

 

1-855-Mediacom (1-855-633-4226)

Optimum

https://www.optimum.net/support/contact-us 

https://install.optimum.com/JointInstall

 

1-877-810-6750

Sparklight

https://support.sparklight.com

 

1-877-692-2253

Spectrum

https://www.spectrum.net/contact-us 

https://activate.spectrum.net

 

1-833-267-6094

Xfinity

https://www.xfinity.com/internetsetup

 

Use the Xfinity app for Xfinity activation and then follow the steps in 

this document for modem router installation.

Visit 

netgear.com/support

 to get your questions answered and access the latest 

downloads. 

You can also check out our NETGEAR Community for helpful advice at 

community.netgear.com

.

Customer-owned cable devices might not be compatible with certain cable 

networks. Check with your cable Internet provider to confirm that this NETGEAR 

cable device is allowed on your cable network.

If you are experiencing trouble installing your modem router, contact NETGEAR 
at 1-866-874-8924.

Support and Community

Package contents

Modem router

Ethernet cable

Power adapter

LED

Description

WPS

 button 

with LED 

This button lets you use WPS to join the WiFi network without typing the 

WiFi password. The WPS LED blinks during this process and then lights 

solid.

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