91
.
D
escription of the T-7822VD telephone
.
F
unction push buttons
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
.
.
.
.
D
.
uring call reception and communication processes, it allows lock release
activation
.
T
erminal connector description and JP3 configuration jumper
f
h
i
Regardless of the position of the handset, activate the PA and PB voltage-
free contacts with the JP1 jumper inserted (see page 96), or activate the
SAR-2plus unit if the JP2 jumper is inserted (see page 96), this second
process taking place during call reception or communication.
Connection to an S-45 call repeater
Digital communication bus
Door bell push button input
Voltage free contacts (see page
Digital communication bus
End of line resistor
.
)
.
.
96 .
.
.
S+, S-:
BUS:
HZ :
PA, PB:
BUS:
End of Line:
ix the telephone to the wall
F
.
It is necessary to open the telephone for wiring and fixing
purposes To open the telephone, insert a plain
screwdriver into the slots and gently lever as shown in
the drawing
.
.
P
. C
.
.
ass the installation wires through the corresponding hole and connect
them as shown on the installation diagrams
lose the telephone as
shown on the picture Once the telephone is closed, connect the
handset using the telephone cord and put it on the cradle
Avoid placing the telephone near sources of heat, in dusty
locations or smoky environments The telephone can be
fixed using an electrical embedding box or directly on the
wall, as shown on the picture If the telephone will be
installed directly over the wall, drill two holes of Ø6mm on
the specified positions, using 6mm wall plugs and Ø3.5 x
25mm screws
.
.
.
92
TELEPHONE INSTALLATION
TELEPHONE DESCRIPTION
T-7822VD:
HZ
PA
S-
BUS
HZ
PB
S+
BUS E.of.Line
JP3
JP3
V2Plus system (video)
2Plus system (Audio)
JP3 configuration jumper:
*Factory default