User Manual
Table Of Contents
- User Manual
- Contents
- 1 Hardware Setup
- 2 Connect to the Network and Access the Modem Router
- 3 Specify Initial Settings
- 4 Control Access to the Internet
- 5 Share a USB Storage Device Attached to the Modem Router
- USB Device Requirements
- Connect a USB Storage Device to the Modem Router
- Access a USB Drive Connected to the Modem Router From a Windows Computer
- Map a USB Device to a Windows Network Drive
- Access a USB Storage Device That Is Connected to the Modem Router From a Mac
- Control Access to the USB Drive
- Use FTP Within the Network
- View or Change Network Folders on a USB Drive
- Add a Network Folder on a USB Storage Device
- Edit a Network Folder on a USB Storage Device
- Approve USB Storage Devices
- Safely Remove a USB Storage Device
- 6 Specify Network Settings
- View or Change the WAN Settings
- Change the MTU Size
- Set Up a Default DMZ Server
- Change the Modem Router’s Device Name
- Change the LAN TCP/IP Settings
- Specify the IP Addresses That the Modem Router Assigns
- Manage LAN IP Addresses
- Use the WPS Wizard for WiFi Connections
- Specify Basic WiFi Settings
- Change the WiFi Security Option
- Set Up a WiFi Guest Network
- Control the WiFi Radios
- Specify WPS Settings
- Set Up a WiFi Access List
- Dynamic DNS
- Improve Network Connections With Universal Plug-N-Play
- 7 Manage Your Network
- View Modem Router Status
- Reboot the Modem Router
- Change the Router Mode
- View and Manage Logs of Modem Router Activity
- Manage the Modem Router Configuration File
- Change the admin Password
- View Event Logs
- Run the Ping Utility
- Run the Traceroute Utility
- View WiFi Access Points in Your Area
- View or Change the Modem Router WiFi Channel
- Remote Management
- Control the LED Settings
- 8 Specify Internet Port Settings
- 9 Troubleshooting
- A Supplemental Information
AC1200 WiFi Cable Modem Router Model C6220
Hardware Setup User Manual15
Note: Your cable Internet provider’s contact information might change. You
can also find the contact information in your monthly Internet service
billing statement.
2. If you are unable to activate your Internet service using the instructions on your cable
Internet provider’s website, call your cable Internet provider and do the following:
a. W
hen asked, provide your account information and provide the modem router’s
model number, which is C6220, serial number, and MAC address.
The serial number and MAC address are on the modem router label.
Made in China
b. Wait for your cable Internet provider to confirm that your modem router is active.
c. I
f you do not get an Internet connection with the modem router, ask your cable
Internet provider to look for your modem router online, and do one of the following
depending what your cable Internet provider tells you about your modem router:
• I
f the modem router is not visible, your cable Internet provider can give you
instructions to verify why the modem router does not connect with your high-speed
Internet service.
• I
f the modem router is visible to your cable Internet provider, reboot the modem
router. Check your online status again.
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.
Cable ISP Contact Information