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36
T
erminal connector description
T-1772VD:
P+ P- + -
TELEPHONE DESCRIPTION
b
d
a
c
e
f
h
i
g
e
With the handset picked up, without call reception or during a process
of communication, a pulsation of 1 second activates the lock release
or a pulsation of 3 seconds activates the auxiliary output.
With the handset picked up allows to establish an intercommunication
between two points of the same apartment.
D
escription of the T-1772VD telephone
a.
Telephone handset
b.
Speaker grille
.
c.
Microphone hole
d.
Subjection
hole
e.
Telephone cord connectors
f.
Door
release push button/
g.
Hook switch
.
h.
Intercommunication push button
i.
Volume control
P+:
Positive terminal, communication bus.
P - :
Negative terminal, communication
+ :
Positive.
- :
Negative.
.
.
.
.
aux. function
.
.
F
unction push buttons
bus.
.
.
.
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