Operation Manual

132
erminal connector description.
T
+, - :
A , D :
Al :
HZ :
SA :
INT :
PA :
Al+SA
_
AD 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,digitalcommunication.
Connectiontoexternaldoorreleasepushbutton.
Doorbellpushbuttoninput.
Auxiliarycallingdeviceoutput
Intercom.
(18Vdc/0,5Amax.)
.
Outputforaux.relayactivation