Cable Your Cable Modem - NETGEAR CM400 User Manual

Cable Your Cable Modem

The cable modem provides a connection between your cable Internet provider's network and
your computer, router, or WiFi router.
Coaxial cable to cable outlet
Figure 6. Cabling the cable modem
To cable your cable modem:

1. Connect a coaxial cable.
Use the coaxial cable that your cable company provided to connect the cable port on the
cable modem to a cable wall outlet or a line splitter. Make sure that the cable is tightly
connected.
Note: If Comcast XFINITY is your cable Internet provider, Comcast XFINITY
recommends connecting your cable modem directly to a cable wall outlet.
2. Turn off the computer to which you intend to connect the cable modem.
3. Use the Ethernet cable provided in the package to connect the Gigabit Ethernet port on the
cable modem to an Ethernet port on the computer.
4. Turn on the computer.
5. Connect the power adapter provided in the package to the cable modem and plug the power
adapter into an electrical outlet.
When the startup procedure is completed, the Power LED lights green.
6. Wait for the cable modem to come online.
CM400 High Speed Cable Modem
Cable modem
Hardware and Internet Setup
8
Ethernet
cable
Computer,
router, or
WiFi router