Entrotec EV Ring intercom - Ring Intercom - Ring Community

Good morning all, I’m having some trouble getting my Ring Intercom working with my Entrotec EV. According to the Entrotec EV wiring diagram, if DS is required BZ does not need to be connected, hoever both are wired in on mine. When testing voltage through all terminals through 0V I found following. 0V on DR, 12V on VT, 0V on BZ, 0V on S1, 0V on S2, 11.5V on DS, 0V on V-, 0V on V+, 0V on CB and 0V on EX. When testing the voltage with the incoming call, I get voltage on following, 5.5V on S2, 5.

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