User Manual

Table Of Contents
Nighthawk AC1900 WiFi Cable Modem Router
Hardware Setup User Manual14
Connect Your Modem Router to a Computer
During the installation and activation, you must connect the modem router directly to a
computer. After installation and activation, you can connect the modem router to a router.
Modem router
Power
Coaxial
adapte
Ethernet
cable
cable
Figure 4. Connect the modem router directly to a computer
Note: Before you connect your modem router and contact your cable
Internet provider, collect your cable account number, account phone
number, and login information (your email address or user name and
password).
To connect your modem router directly to a computer:
1. T
urn off existing modems and routers.
If you are replacing a modem that is currently connected in yo
ur home, unplug the
modem and plug the new modem router into the same outlet.
2. Connect a coaxial cable.
Use the coaxial cable that your cable compan
y provided to connect the cable port on the
modem router to a cable wall outlet or a line splitter. Make sure that the cable is tightly
connected.
Note: If Charte
r is your cable Internet service provider (ISP), Charter
recommends connecting your modem router directly to a cable wall
outlet. If you must use a splitter, use a splitter that is rated at 3.5 dBmv.
If Comcast Xfinity is your cable Internet provider, Comcast Xfinity
recommends connecting your modem router directly to a cable wall
outlet.
3. Connect th
e power adapter provided in the package to the modem router and plug the
power adapter into an electrical outlet.