Periodontitis, also generally called gum disease or periodontal disease, begins with bacterial growth in your mouth and may end -- if not properly treated -- with tooth loss due to destruction of the tissue that surrounds your teeth.
Avaya ERS 2550T-PWR, a 50-port Ethernet switch. A network switch (also called switching hub, bridging hub, officially MAC bridge) is a computer networking device that connects devices together on a computer network, by using packet switching to receive, process and forward data to the destination device.
Ethernet Switch (rear view). A network switch is a small hardware device that centralizes communications among multiple connected devices within one local area network (LAN). Standalone Ethernet switch devices were commonly used on home networks many years ago before home broadband routers became popular.