4
LED Description
WiFi On/O 
button with LED
Pressing this button for two seconds turns the WiFi radios 
in the modem router on and o. If this LED is lit, the WiFi 
radios are on. If this LED is o, the WiFi radios are turned o 
and you cannot use WiFi to connect to the modem router. 
WPS button with 
LED
This button lets you use WPS to join the WiFi network 
without typing the WiFi password. The WPS LED blinks 
during this process and then lights solid. 
Install Your Modem Router
 ¾ To install your modem router:
1.  Connect a coaxial cable.
Use a coaxial cable that is provided by your cable company to 
connect the cable port on the modem router to a cable wall 
outlet or a line splitter.
Note:  For Xfinity cable Internet service, Comcast Xfinity recommends 
connecting your modem router to a cable wall outlet.
2.  Connect the power adapter to the modem router and plug the 
power adapter into an electrical outlet.