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OPTIONAL CONNECTIONS
I
ntercom function.
Platea Plus monitor and (*) T-740Plus and T-940 Plus telephones have intercom facility between two
units of the same apartment . To enable this function check the following conditions:
- One of the units has been configurated as master and the other unit as slave with intercom, as
described on pages 124, 127 and 131. In case to intercom one monitor with one telephone,
configure the monitor as master.
- Link the INT terminal of the units, as it is shown on the enclosed diagram.
To establish an intercom communication lift the handset and press the intercom push button;
acoustic tones will be reproduced on the handset confirming the call is in progress or that the
other unit is communicating with the door panel. To establish communication lift the handset of
the called unit . If during an intercom communication a call is made from the door panel, acoustic
tones will be heard on the master unit handset and the picture will appear in case of a monitor;
press the intercom push button of the master unit to establish communication with the door panel,
or press the door release push button to activate the lock release.
The reproduced acoustic tones are different depending on their provenance, that allows the user to
distinguish where the call is made from.
Platea Plus
CN4
_
+
V
V
Malla
A
D
in
out
IMPORTANTE: The T-740 Plus telephone must be configured with SW1 dip switch in "Intercom"
*
mode function (see page 129).
E
xternal lock release activation with T-740Plus telephone.
During call reception and communication progresses allows the
lock release activation, by using an external push button, that
must be connected between 'AI' and ' ' terminals of the
telephone.
147
T-940 Plus
T-740 Plus
+ _
INT
A
D INT
T-740 Plus
–
Al _
148
A
uxiliary devices activation with T-740 Plus telephone.
First t
he
T-740 Plus telephone must be configured with SW1 dip switch in "PA" output mode
function (see page 129).
To activate auxiliary devices the use of a SAR-12/24 relay unit will be required. If this device is
shared for all the T-740 Plus telephones, link their PA terminal and use just one relay unit. In
case that each telephone has its own application use a SAR-12/24 relay unit for each
telephone and don't link the PA telephone terminals.
To activate this function, press
telephone push button at any moment with no dependence of
the handset position.
Usual applications are the activation of stairs light, second lock release, ...
T-740 Plus
+ _
A
D
PA
To distributor/
door panel.
( )
The neutral supply from the stairs light will be wired through the relay contacts SAR-12/24, the maximum current for stairs
*
light will be 1.8A.
D
oor bell push button connection.
The Platea Plus monitor and the T-740 Plus and T-940 Plus telephones can be used to receive the
calls made from the apartment door, saving the use of a bell. Wire the push button of the
apartment door to the 'HZ ' and ' ' monitor or telephone terminals.
–
–
The reproduced acoustic tones are different depending on their provenance, that allows the user
to distinguish where the call is made from. If during a conversation a call is made from the
apartment door, acoustic tones will be reproduced on the handset to advise that someone is
calling.
T-740 Plus
-
HZ
OPTIONAL CONNECTIONS
NC
NA
C
To stairs light
push button
SAR-12/24
IN
IN
P
220 Vac/
N
1.8A max.
T-940 Plus
Platea Plus
-
HZ-
( )
*
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