TIME-DIVISION-MULTIPLEXED EXCHANGER

摘要

TIME-DIVISION-MULTIPLEXED EXCHANGE In a time-division-multiplexed exchange having digital filters disposed in a channel system, a level adjuster is provided wherein data for setting line losses corresponding to respective combinations of interconnections of a plurality of lines received at outgoing and incoming line terminals of the exchange are stored by storage means. Coefficients of the digital filters are controlled on the basis of the data during exchange operations, whereby the level adjustment is made.