NETGEAR C6250 User manual

Quick Start
AC1600 WiFi Cable Modem Router
Model C6250
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 router web interface, and activate your
Internet service using the instructions in Activate your Internet service.
LED Description
Power • Solid green. Power is supplied to the modem router.
• Solid 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.
• Blinking amber. The modem router is scanning for a downstream
channel.
• Solid green. Two or more downstream channels are locked.
• Blinking green. The modem router is scanning for additional
downstream channels.
• Off. No downstream channel is locked.
Upstream • Solid amber. One upstream channel is locked.
• Blinking amber. The modem router is scanning for an upstream
channel.
• Solid green. Two or more upstream channels are locked.
• Blinking green. The modem router is scanning for additional upstream
channels.
• 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).
• Off. The modem router is ofine.
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 trafc.
• 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.
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.
Support and Community
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.
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.
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: You can purchase an uninterrupted power supply, sold separately,
for continued service during power outages. To view a list of compatible
uninterrupted power supplies, visit the NETGEAR cable products web page.
Note: 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
the coaxial cable shield shall connect to the grounding system of the building, as
close to the point of cable entry as practical.
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.
For regulatory compliance information, 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.

1. Collect your cable Internet service provider (ISP) account information.
This is your ISP account information, such as your account mobile phone
number, user name, password, and account number.
2. 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.
3. Connect a coaxial cable.
Use a coaxial cable to connect the coaxial cable connector on the
modem router to the cable wall outlet.
USB Reset Cable
Power
connector
Set up using the router web interface
4. Connect the power adapter.
Connect the power adapter to the modem router and plug the power
adapter into an electrical outlet.
The startup procedure takes about one minute. When it is complete, the
Power LED lights solid green.
5. Wait for the Online LED to light solid green.
This process might take up to ten minutes.
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.
6. Connect your computer or mobile device to the modem router with Ethernet
or WiFi:
• Ethernet. Use an Ethernet cable to connect a computer to an Ethernet
port on the modem router.
• WiFi. Use the WiFi network name (SSID) and password on the product
label to connect.
7. Launch a web browser and set up your modem router.
You are automatically redirected to the modem router web interface. If you’re
not redirected, enter routerlogin.net or 192.168.0.1 in the address eld of
the web browser.
Follow the prompts. You are asked to do the following:
• Agree to the Terms and Conditions
• Change your router’s admin credentials and set up security questions
• Set up your WiFi network name and password
8. Make sure that you are able to log in to the modem router web interface after
the setup.
The BASIC Home page displays, and lets you know whether your Internet
service is activated.
Package contents
Cable modem router
Ethernet cable
Power adapter
February 2020
Coaxial
connector
WPS
WiFi On/O
Activate your Internet service
Before you start the self-activation process, collect the following information:
• Your ISP account information
• Cable modem router model number, which is C6250
• Cable modem router serial number (on the product label)
• Cable modem router MAC address (on the product label)
The following table lists contact information for ISPs that support your cable
modem router.
Cable Internet
Provider
Contact Information
Cox https://www.cox.com/activate
1-888-556-1193
Mediacom https://support.mediacomcable.com/
1-855-Mediacom (1-855-633-4226)
Optimum https://install.optimum.com/JointInstall/
1-877-810-6750
Sparklight https://support.sparklight.com/
1-877-692-2253
Spectrum https://activate.spectrum.net/
1-[phone]
Xnity http://xnity.com/activate
https://www.xnity.com/support/articles/activate-purchased-modem
1-800-XFINITY (1-800-934-6489)
Note: Your ISP’s contact information might change. You can also find the contact
information in your monthly Internet service billing statement.
1. Visit your ISP’s website and follow the onscreen instructions to activate your
Internet service.
2. To determine the accurate Internet speed, visit your ISP’s speed test website
and perform a speed test.