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1. 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 cable modem into the same outlet.
2. Connect a coaxial cable.
Use a coaxial cable to connect the cable port on the cable modem to a cable
wall outlet. Make sure that the cable is tightly connected. We recommend
that you connect your cable modem directly to a cable wall outlet.
Coaxial
Power
cable
adapter
If you must share the connection, use a 3.5dB (1 to 2) splitter.
3. Connect the power adapter.
Connect the power adapter to the cable modem and plug the power adapter
into an electrical outlet.
The cable modem might reset multiple times when it is powered on.
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