NETGEAR Nighthawk CAX80

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Quick Start

AX8 WiFi Cable Modem Router

Model CAX80

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 Nighthawk app, set up your modem router using

the instructions in Set up using the modem router web interface, and activate

your Internet service using the instructions in Activate your Internet service.

LED Description

Power • Solid white. The modem router is receiving power and is functioning

normally.

• Off. The modem router is not receiving power.

• Solid red. The modem router is too warm and might overheat.

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 a 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).

• Off. The modem router is ofine.

Multi-Gig

Ethernet

The LED color indicates the speed: blue for a 2.5 Gbps Ethernet connection,

white for a 1 Gbps Ethernet connection, and amber for a 100 Mbps Ethernet

connection.

• Solid. A powered-on device is connected to the port.

• Blinking. The port is sending or receiving trafc.

• Off. No device is connected to this port.

Ethernet

The LED color indicates the speed: white for a Gigabit Ethernet connection

and amber for a 100 Mbps or a 10 Mbps Ethernet connections.

• Solid. A powered-on device is connected to the Ethernet port.

• Blinking. The port is sending or receiving trafc.

• Off. No device is connected to this Ethernet port.

2.4 GHz radio

• Solid white. The 2.4 GHz WiFi radio is operating.

• Blinking white. The modem router is sending or receiving WiFi trafc.

• Off. The 2.4 GHz WiFi radio is off.

5 GHz radio

• Solid white. The 5 GHz WiFi radio is operating.

• Blinking white. The modem router is sending or receiving WiFi trafc.

• Off. The 5 GHz WiFi radio is off.

LED Description

USB • Solid white. A USB device is connected and ready.

• Blinking white. A USB device is plugged in and trying to connect.

• Off. No USB device is connected.

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

the password

WiFi button Pressing this button for two seconds turns the 2.4 GHz and 5 GHz WiFi

radios on and off.

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 ofcial 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 conrm 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, species 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

Need help?

Do you have a question about the NETGEAR Nighthawk CAX80 and is the answer not in the manual?

NETGEAR Nighthawk CAX80 Specifications

General

Cables included	AC, LAN (RJ-45)
Quick start guide	Yes
Security algorithms	128-bit AES
Ethernet LAN (RJ-45) ports	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1
3G	-
Power source type	AC
Networking standards	IEEE 802.11i
Ethernet LAN interface type	Gigabit Ethernet
Processor cores	2
Processor frequency	1500 MHz
Wi-Fi band	Dual-band (2.4 GHz / 5 GHz)
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
WLAN data transfer rate (max)	- Mbit/s
Product type	Tabletop router
Product color	Black