132
erminal connector description.
T
+, - :
A ,
D :
Al :
HZ :
SA :
INT :
PA :
Al
+
SA
_
A D
Int PA
_
HZ
+
TELEPHONE DESCRIPTION
.
D
escription of the T-740 Plus telephone
a
d
c
e
b
g
e
a.
b.
c.
d.
e.
f.
g.
h.
i.
Telephone handset
Speaker grille
Microphone hole
hole
Telephone cord connectors
release push button
Hook switch
Auxiliary function push button
Volume control
.
.
.
Subjection
.
.
Door
.
.
.
.
f
h
i
all volume control.
C
MAX
OFF
The telephone allows to regulate the call volume with a maximum,
medium and off value. With the help of the switch of three positions
placed in the right front of the telephone.
Positive, ground.
SAV-90
Audio, digital communication.
Connection to external door release push button.
Door bell push button input.
Auxiliary calling device output
Intercom.
(18Vdc/0,5A max.)
.
Output for aux. relay activation
