ELRO PRO PV40-P2M2 Mode D'emploi page 10

Connection diagram and electric lock
Below you will find the comprehensive connection diagrams for extra monitors or door locks.
Based on safety guidelines, we recommend to connect an electric door release via the monitor.
This diagram also indicates how to link a second monitor (1). The electric door release can also be
released using the second monitor. The 2 connecting cables (2) are not used if no electric door
release is linked during the installation. In this case, use the cable clamps (2) to seal the separate
brown KEY1 wires.
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