FIELD: communications. SUBSTANCE: device has central control computer, commutator, two data memory units, program memory unit, groups of system and peripheral interface devices for voice and data transmission. Commutator is designed for simplex voice transmission through four-wire communication line. Commutator is connected to system and peripheral interface devices using two wires. EFFECT: increased functional capabilities. 5 cl, 6 dwg
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Authors
Dates
1998-02-27—Published
1993-03-25—Filed