beautypg.com

Chime/buzzer of wired doorbell transformer – VTech IS7121_-2-22 Installation User Manual

Page 15

background image

5

Option 1: Ring the front doorbell of the existing wired

doorbell and the

IS7121 doorbell simultaneously.

Using another wire, slide one end of the metal part

underneath the metallic plate on the doorbell, then connect

the other end to the Trans terminal of your chime/buzzer unit

of the wired doorbell.

4.

View

Right

Angle

Adjustment

View

Left

Chime/buzzer of

wired doorbell

Transformer

Rear

Trans

Front