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.
Symptoms. The most common initial symptom of cavernous sinus thrombosis is a headache. This usually develops as a sharp pain located behind or around the eyes that steadily gets worse over time. Symptoms often start within 5 to 10 days of developing an infection in the face or skull, such as sinusitis or a boil.