1). Connect your cable modem to a cable outlet using a coaxial cable.
2). After powering the modem and you find the following light pattern on the modem, that means the cable modem is online now:
Power: Solid.
DS: Solid.
US: Solid.
Online: Solid.
Link: off.
(The lights on your device may vary depending on the model of the cable modem)
3). Connect an Ethernet cable from the LAN port/Cable Modem -> WAN/or Internet Port on CIK router or your own router.
Wait for internet light to be blinking green, if it is blinking it means your internet is set-up and ready.