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Quick Start

AC1200 WiFi Cable Modem Router

Model C6230

Download the Nighthawk app to get started

For more information about the Nighthawk app, visit 

Nighthawk-app.com

.

Set up your modem router and activate your Internet service with the 
Nighthawk app. 

If you don’t want to use the Nighthwaki app, set up your modem router using 
the instructions in 

Set up using the router web interface

, and activate your 

Internet service using the instructions in 

Activate Your Internet Service

.

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.

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.

Power

• 

Green

. 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 green

. One or more downstream channels are locked.

• 

Blinking green

. The modem router is scanning for a downstream 

channel.

• 

Off

. No downstream channel is locked.

Upstream

• 

Solid green

. One or more upstream channels are locked.

• 

Blinking green

. The modem router is scanning for a upstream channel.

• 

Off

. No upstream channel is locked.

Internet

• 

Solid green

. The modem router is online.

• 

Blinking green

. The modem router is synchronizing with the cable 

provider’s cable modem termination system (CMTS).

• 

Off

. The modem router is offline.

2.4 GHz radio

• 

Solid green

. The 2.4 GHz WiFi radio is on.

• 

Blinking green

. There is WiFi activity on the 2.4 GHz band.

• 

Off

. The 2.4 GHz WiFi radio is off.

5 GHz radio

• 

Solid green

. The 5 GHz WiFi radio is on.

• 

Blinking green

. There is WiFi activity on the 5 GHz band.

• 

Off

. The 5 GHz WiFi radio is off.

Ethernet

• 

Solid green

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

• 

Blinking green

. The Ethernet port is sending or receiving traffic.

• 

Off

. No device is connected to an Ethernet port.

USB

• 

Solid green

. A USB device is connected to the port on the back panel.

• 

Off

. No USB device is connected to the port on the back panel.

Thank you for purchasing this NETGEAR product. You can visit  

https://www.netgear.com/support

 to register your product, get help, access the 

latest downloads and user manuals, and join our community. We recommend that 

you use only official NETGEAR support resources.

For regulatory compliance information, visit  

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

.

See the regulatory compliance document before connecting the power supply.

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

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

cable modem is allowed on your cable network.

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

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 connected to the grounding system of the building, as close to 
the point of cable entry as practical

Support

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 

© 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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