Edge device. An edge device is a device which provides an entry point into enterprise or service provider core networks. Examples include routers, routing switches, integrated access devices (IADs), multiplexers, and a variety of metropolitan area network (MAN) and wide area network (WAN) access devices.
1 Sinus barotrauma occurs when there is a difference in pressure between the air in the sinuses and the pressure outside. 2  You may experience pain around your cheek bones or above your eyes.  You may also experience headaches.
Barotrauma is an injury to your body caused by a pressure change. You may have an injury to your ears, sinuses, or teeth. It can also affect your lungs, stomach, or intestines. It is also called ear, sinus, lung, or gut squeeze. History of barotrauma.