I'd say: just plug it in! Routers are to be placed between the modem (cable modem or ISDN or something alike) and the LAN (in other words the switch, which opens up the LAN). All users connect to the internet or another system via the router which will be the default gateway for the LAN. Switchs do not have a special port for routers. It doesn't matter which port you use. Everything else will be configured by the network settings on the router and the clients within the network. (In order to configure the router you might want to use a crossed patch cable and connect directly from your workstation to the router. Modern router provide a homepage through which you configure the device. By using the crossed cable you can be certain not to interrupt the normal network)
Chat with our AI personalities
Just run a standard RJ45 network cable from each switch into one of the switch/LAN ports on the router. If the router only has one switch/LAN port you'll run one cable from the router to the first switch and a second cable from the first switch to the second switch.
You cannot use a switch as a router. While externally they appear similar, a switch lacks many of the capabilities of a router. One (and probably most important) of them is NAT - Network Address Translation, which makes a network within the router separater from networks outside the router.
This is usually done through a Ethernet Cord. Usually cat5/5e/6 cable with an RJ-45 end. To connect the router and switch, use straight through cable.