Extron has announced the availability of the NBP 50 Network Button Panel. The NBP 50 is a fully customizable AV system control interface for Extron Pro Series control systems and HC 400 Series products. Network Button Panels connect to a control processor using standard Ethernet. These control panels work in conjunction with a control processor to perform a wide variety of AV system functions such as display On/Off, input switching, volume control and more. The NBP 50 mounts in a two-gang junction box and includes black and white faceplates and mud ring.
Buttons can be customized using Extron Button Label Generator software. Network Button Panels also offer the convenience of PoE — Power over Ethernet, which allows them to receive power and communication over a single Ethernet cable.
Details on the NBP 50 are here: https://www.extron.com/article/nbpad