5
TELEPHONES
Fitted in each dwelling, they ena-
ble the user to answer the call from
the entrance panel, talk to the caller
and open the door.
ENTRANCE PANEL
Generally installed at the entrance
to the building, this houses the audio
unit and the push buttons, all of
which are essential parts of the door
entry system, allowing bi-directional
communication between the dwe-
lling unit and the entrance panel.
The panel’s dimensions depend
on the number of floors the building
in which the system is being insta-
lled comprises.
More than one entrance panel
may be necessary, depending on
the number of dwellings and on the
type of system.
AUDIO UNIT
This is the core of the door entry
system. Its electronics allow bi-direc-
tional communication between the
entrance panel and the dwelling
unit. It is housed in the entrance
panel.
PUSH BUTTONS
The elements in the entrance panel
allowing each of the dwellings to be
contacted. The number of push but-
tons will be determined by the num-
ber of dwellings.
ELECTRICK LOCK
This is an electrical device which
allows the door to be opened. It
requires electrical power in order to
work.
POWER SUPPLY
The part of the system which con-
verts mains electricity into the volta-
ges the door entry system needs to
work properly.
COMPONENTS
230 V230 V V
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