The ADC-VDB770 can support up to two digital or mechanical chimes simultaneously by using two power modules. The chimes themselves must be wired in parallel rather than in a series.
For more information about enrolling the ADC-VDB770, see Alarm.com Video Doorbell (ADC-VDB770) - Installation Guide.
Wire the ADC-VDB770 to two chimes
Wiring |
Diagram |
- On the first power module, attach the white wires interchangeably to the FRONT and TRANS terminals on the chime.
- On the second power module, attach the white wires interchangeably to the REAR and TRANS terminals on the chime.
- Attach one of each of the power modules to the transformer using a wire connector.
- Attach one of each of the power modules to the ADC-VDB770 using a wire connector.
- On the ADC-VDB770, attach the remaining wire to the transformer.
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