AUERSWALD TSA-a/b Anschlussadapter

Adapter for connecting 4-wire or FTZ door intercoms to an a / b port of ITK systems

Simple connection of older (existing) door intercoms with up to 2 bell buttons to an analog subscriber port of a modern ICT system

Conversion of 2-wire interface (according to FTZ 123 D 12-0) and 4-wire interface to a / b

Additional switching options for z. B. Second bell or lighting through optional a / b switch modules

Power supply via bell transformer

Separate volume setting for both speech channels, impedance adjustable