Connection Of The External Door Bell Push Button; Door Release Push Button; Additional Telephone Connection - golmar 2PLUS Installation Manual

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D
oor bell push button connection.
The T-7720 and T-7722VD telephones, incorporate as standards
the call reception from the door bell push button. This feature
spares the use of a bell, by placing a push button between the
'HZ' telephone terminals.
The reproduced ringing tones vary depending on their
provenance. This allows the user to distinguish the origin of the
call. If during a conversation a call is made from the entrance
door, some acoustic tones will be heard as a warning that
someone else is calling.
E
xternal lock release push buttons.
To activate the lock release by means of an external push button, place this
push button between 'CV1' and 'CV2' terminals of the door panel,
regardless of the kind of lock release.
It is a very useful function, you needn't take a key when going out of the
building.
A
uxiliary devices connection.
REMEMBER: The number of total elements in every apartment (telephones or call repeaters) can't
never surpass the two units.
T-7720
BUS HZ HZ
OPTIONAL CONNECTIONS
T-7720
BUS HZ HZ
T-7720 ó
T-7722VD
BUS HZ HZ
S-45
S+
S-
S+ S-
EL 520
CV2 CV1
T-7722VD
PA
BUS HZ HZ PB