H ELECTRICITY
H04 ELECTRIC COMMUNICATION TECHNIQUE
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L12/00 Data switching networks
H04L12/28 characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
H04L12/40006 Architecture of a communication node
H04L12/40039 Details regarding the setting of the power status of a node according to activity on the bus