Riedel Communications International Gmbh

Roberto Barbieri Carrera

Thomas Riedel

Silvio Gehri

The invention relates, inter alia, to a network device () which can be connected via electrical lines () to other subscribers () of a network (), in particular a real-time intercom network (), for transmitting audio and/or image information, wherein the network device () comprises at least one input-side terminal () for connection to a power supply source () and at least one output-side terminal () for connection to at least one second network device (), wherein signals and operating voltage (PoE) can be transmitted via the terminals, using at least the following four layers ():

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Ruemlang, Switzerland

Roberto Barbieri Carrera