The CD1803 exchange is controlled with a microchip, thus many additional functions (not possible in other interphone systems) are accessible. Complex control software provides failure-free work and error assurance point out.

This version of the exchange has the features of the CD1803 exchange. The CD1803 MASTER exchange allows realisation of MASTER/SLAVE complex systems for a group of buildings e.g. situated at a private residential development. The MASTER exchange should ...

This version of the exchange has the features of the CD1803 exchange. The CD1803 SLAVE exchange allows realisation of MASTER/SLAVE complex systems for a group of buildings e.g. situated at a private residential development. The SLAVE exchange should ...

This version of the exchange has the features of the CD1803 exchange. The CD1803 MASTER/PR exchange allows realisation of complex systems for a group of buildings e.g. situated at a private residential development.

The CD1803 VIDEO has the features of the CD1803 exchange, enlarged by a video camera module and can be used in multifamily purpose videophone systems. The digital identification of the phone allows simplification of the wire system. The differential ...

Interphone exchange has been especially prepared for complex systems. The standard MASTER/SLAVE system was seriously limited - only one exchange could be installed in one system. This inconvenience can be limited by the usage of CD1803MASTER/PR exchange, ...