Function Push Button - golmar 2PLUS Manuel D'installation

TELEPHONE DESCRIPTION
T
erminal connection description.
T-7720:
T-7722VD:
D
b
d
a
c
e
With the handset off the hook, it allows to make an intercom call to
the main porter's exchange. During the call reception or
communication, it allows the lock release activation.
Only T-7722VD: Regardless of the handset position and depending
on the jumper JP1 configuration (see page 65), it activates the SAR-
2PLUS digital relay unit or operates as an additional free-voltage push
button (contacts PA and PB, Imax: 40mA).
BUS HZ HZ
S- S+ BUS HZ HZ PA PB
escription of the T-7720 and T-7722VD telephones.
a.
Telephone handset.
b.
Speaker grille.
c.
Microphone hole.
d.
Subjection hole.
e.
Telephone cord connectors.
f.

Function push button.

g. Hook switch.
h. Auxiliary function push button (Only T-7722VD).
Call reception volume control (Only T-7722VD).
Detail of the T-7722VD telephone
g
e
BUS:
Digital communication bus.
HZ : Connection to door bell.
S+, S-: Connection to call repeater S-45.
BUS: Digital communication bus.
HZ : Connection to door bell.
PA, PB: Free-voltage connectors (see page 65).
f
h
i
F
unction push buttons.
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