The DCN-15A Analogue Interface Module is a compact 15-channel converter of the digital interface E1 into analog low-frequency communication lines and discrete I/O lines to provide communication with analoge quipment and receive signals from other systems.
DCN-15A is a compact analog connection module unit of the Armtel digital Intercom and PA/GA communication systems DCN.
DCN-15A has 15 two-way interfaces of LF-analogue lines and 60 discrete two-way control lines for connecting end devices, and also digital interface E1 for connection to a DCN-type system.
Central exchange unit of DCN system controls operation of DCN-15A and subscriber units or discrete lines connected to it by E1 line.