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signal center stresses
media.	узел связи (военный); пункт СЦБ (ж.д. сигнализации)
sec.sys.	центр связи
tech.	узел связи
telecom.	узел передачи (данных)
English thesaurus
signal center
mil., logist.	Combination of signal communication assets gathered under the authority of a single commander in order to ensure all or part of: 1. the connection of one or several CPs; 2. the switching, forwarding and transit of communication; 3. the dissemination, connection and switching of transmission channels. Depending on their main functions, there are two categories of centers: 1. exploitation centers; 2. nodal centers. (FRA)

signal center: 50 phrases in 4 subjects

Communications	1
Military	35
Technology	8
Telecommunications	6