VTech IS7121/IS7121-2/IS7121-22 Door User Manual


 
3
2
Doorbell power adapter installation
Loosen the screws and the metallic plates, then slide the
metal part of the wires underneath the metallic plates as
shown. Twist the screws to secure.
1.
Wire with
red end
Wire with
black end
Screws
Metallic
plate
Metallic
plate
1
Install doorbell battery
The doorbell can be supported by either AA batteries or AC power. However, you
need to plug in AC power during doorbell registration or deregistration.