In general when you connect two similar devices ie, switch to switch, router to router, workstation to workstation, you will use a cross-over cable, and for all others – use a straight through. That's a good way to remember what to use. Ethernet switches, also called network switches, connect multiple devices via Ethernet cables. In contrast, a router connects your local area network (LAN) to the internet's. Ethernet is a type of local area network (LAN) technology that uses twisted-pair or fiber-optic cables to connect devices to a network. An Ethernet connection provides a fast. When you are setting up and designing a network, it is important that you know what a switch and a patch panel do if you want the best performance and reliability. Both act as key parts of structured cabling systems but have different roles.