e/SP-1 switch

Information
has gloss	eng: SP-1 (Stored Program 1) was the name of a computerized telephone exchange (a so-called switching office) manufactured by Northern Electric (later Northern Telecom and now Nortel Networks beginning in 1972) in Canada. It was introduced around 1967.
lexicalization	eng: SP-1 switch
lexicalization	eng: SP1 switch
instance of	(noun) a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication central, telephone exchange, exchange