Operation Manual

152
OPTIONAL CONNECTIONS
ntercom function.
I
xternal lock release activation with
E
T-740Plus telephone.
T-740 Plus
Al
_
Duringcallreception and communicationprogressesallowsthe
lock release activation, by using an external push button, that
must be connected between 'AI' and ' ' terminals of the
telephone.
–
A
+
_
DINT
A
_
+
DINT
Malla
V
in
V
out
CN4
Platea Plus /
Tekna Plus
T-940 Plus
T-740 Plus
IMPORTANT:TheT-740PlustelephonemustbeconfiguredwithSW1dipswitchin"Intercom"mode
function
(seepage133).
*
PlateaPlus/Tekna Plus monitor and(*)T-740Plus and T-940 Plus telephoneshaveintercomfacility
betweentwounitsofthesameapartment.Toenablethisfunctioncheckthefollowingconditions:
- One of the units has been configurated as master and the other unit as slave with intercom, as
described on pages 128, 131 and 135. In case to intercom one monitor with one telephone,
configurethemonitorasmaster.
-LinktheINTterminaloftheunits,asitisshownontheencloseddiagram.
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
thecalledunit
.Ifduringanintercomcommunicationacallismadefromthedoorpanel,acoustic
tones will be heard on the master unit handset and the picture will appear in case of a monitor;
presstheintercompushbuttonofthemasterunittoestablishcommunicationwiththedoorpanel,
orpressthedoorreleasepushbuttontoactivatethelockrelease.
Thereproduced acoustic tones are different depending on their provenance, that allows the user to
distinguishwherethecallismadefrom.