3541
Sound System telephone interfaceUniversal telephone interface for Sound System installations with non-Elvox telephone switchboards, switches 2 separate interphone calls to 2 telephone calls, can receive telephone calls and automatically connect to the intercom system, has 1 relay output and can control 1 OPEN-COLLECTOR output, card 353A can be added to control 4 OPEN-COLLECTOR outputs, installation on DIN rail (60715 TH35), occupies 8 modules size 17.5 mm
3541Sound System telephone interface
