Connect via coaxial cable to the Ethernet port.
Connect via coaxial cable to the Ethernet port.
We previously had gigabit connectivity via Xfinity, but we downgraded to 300mbps. The modem we now use is the top Xfinity option, connected through a white cable with a rounded end and a gold pin in the center. Recently we purchased a Netgear router for $200, which uses Ethernet. Would you like us to change the cable type to Ethernet?
Your coaxial cable isn't meant for internet use. Use a different cable box for your internet connection. It should have Cat5e or Cat 6a cables.
The Xfinity device with the coaxial port is a cable modem. You must connect your router to it. A converter won't suffice.
One reason we upgraded was that the Xfinity connection tends to get too hot, even after cleaning and improving airflow. This suggests the old modem is just handling the conversion, not doing its job properly. To make the new modem the main component, you’d need to ensure it’s handling the traffic directly.
If you own two cable modems, they still share a single connection to your home. When multiple modems are present, bandwidth is divided among them. Many providers do this to deliver TV or VoIP services on dedicated channels, preventing customers from accessing free services and ensuring QoS for voice traffic takes priority over regular internet use. The local cable company handles TV and internet through the same "all IP" modem, using IP-based TV instead of traditional RF tuners. The VoIP phones require a separate modem with battery backup. Connect the network switch (preferably an unmanaged Ethernet switch) to the modem's port, linking your computer to it. If you need a WiFi router, adjust the modem to DMZ the router or connect the switch port directly to the modem and disable DHCP on the router.