One, what is "cat"
"Cat" is in fact the English modem, because the reason for the pronunciation of everyone called "cat", in fact, and the real "cat" has nothing to do, if there is a relationship between a mouse (mouse) must have a "cat" to match it, hehe, just a man coined, do not take it seriously.
Two, then what is the router
Router (Router) is connected to the Internet in each LAN, WAN equipment, it will automatically select and set the route according to the situation of the channel, to the best path, in order to send the signal before and after the device, a router is with no line by a kind of without line.
How to connect the cat and the router
When we have a cat and a router, we can connect. Of course you have to apply for broadband, broadband now has three, ADSL, LAN, fiber, whether it is the type of signal into the "cat", and then use a network line from the "cat" to the router's WAN port, Then from the router's LAN port to your computer or switch, the rest is the router set up