central office (C.O.)


central office (C.O.): A common carrier switching center in which trunks and loops are terminated and switched. Note: In the DOD, "common carrier" is called "commercial carrier." Synonyms exchange, local central office, local exchange, local office, switching center (except in DOD DSN [formerly AUTOVON] usage), switching exchange, telephone exchange. Deprecated synonym switch.


This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996