NETGEAR NightHawk C6900 Quick Start

LED Description
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 amber: One downstream channel is locked.
• Solid green: Two 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 amber: One upstream channel is locked.
• Solid green: Two or more upstream channels are locked.
• Blinking green: The modem router is scanning for an upstream channel.
• Off: No upstream channel is locked.
Online • Solid green: The modem router is online.
• Blinking green: The modem router is synchronizing with the cable provider's
cable modem termination system (CMTS).
• Slow blinking amber and green: The modem router reached the traffic meter
limit. (For more information, see the user manual.)
• Off: The modem router is offline.
2.4 GHz • Solid green: The 2.4 GHz WiFi radio is on.
radio
• 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.
WiFi On/Off Pressing this button for two seconds turns the WiFi radios in the modem
button with router on and off. If this LED is lit, the WiFi radios are on. If this LED is off,
LED the WiFi radios are turned off and you cannot use WiFi to connect to the
modem router.
WPS button This button lets you use WPS to join the WiFi network without typing the
with LED WiFi password. The WPS LED blinks during this process and then lights
solid.
Support and Community
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.
Cable Internet Support and Activation Contact Information
Provider
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.
Quick Start
AC1900 WiFi Cable Modem Router
Model C6900
Package contents
Modem router
Power adapter Ethernet cable