H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
12/00
Data switching networks
12/00
Data switching networks
H04L12/02
Details
H04L12/02
Details
H04L12/12
Arrangements for remote connection or disconnection of substations or of equipment thereof
H04L12/12
Arrangements for remote connection or disconnection of substations or of equipment thereof