FTDUO is a device that allows to interface the Duo digital bus to a trunk line or to a telephone PABX, by allowing to manage one or more external door stations by using standard telephones and mobile phones. FTDUO is connected to the bus of the video or audio intercom system and to a derivative of the installed telephone PABX.

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Appendix to instruction manual
ACI srl Via Ezio Vanoni, 3 · 60027 Osimo (An) · ITALY
T +39 071.7202038 | F +39 071.7202037 | P.I. 01309100426

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