Description; Function Push Button - golmar 2PLUS Serie Manual De Instalación

TELEPHONE DESCRIPTION
T
erminal connection description.
T-7720:
T-7722VD:
b
a.
Telephone handset.
b.
Speaker grille.
d
c.
Microphone hole.
a
d.
Subjection hole.
e.
Telephone cord connectors.
c
f.

Function push button.

g. Hook switch.
e
h. Auxiliary function push button (Only T-7722VD / T-7822VD).
Call reception volume control (Only T-7722VD / T-7822VD).
g
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 and T-7822VD: Regardless of the handset position
with the JP1 jumper inserted, it operates as an additional free-voltage
push button (PA and PB contact, see page 65), or activates the SAR-
2PLUS digital relay unit if the jumper inserted is JP2 (see page 65).
BUS HZ HZ
S- S+ BUS HZ HZ PA PB
D
escription of the T-7720, T-7722VD and
T-7822VD telephones.
Detail of the T-7722VD / T-7822VD telephones
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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