Interphone exchange CD1803RELAYS
Color: black
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, produced on the base of CD1803RELAYS chip.
With four CD1803MASTER/PR exchanges a MASTER/SLAVE system of three estate entrances with doorkeeper feedback can be implemented. There are other CD1803RELAYS applications possible - currently being prepared.
