How can I connect my router and Motorola Cable Modem to each other w/o an ethernet cord?

There is only 1 ethernet jack in the motorola modem, and that goes directly to my computer, but to use wifi, my router must be connected to the modem as well. I have a linksys router. Is there any other plug I could use to connect the two?





Thanks|||Shutdown all devices, unplug the cable from your computer and plug it into the router. Now plug the other cable into the router and into your computer. This gives a connection from modem to router and router to computer. Start the modem, wait for the lights to stay lit, then power up the router, give it a minute and then start the computers. You should now have a connection on all devices.