TEMA TELECOMUNICAZIONI SRL
Doorphone AA-514
MAS-AA514-REV03EN
Page 27 of 56
8.3.3. Connecting the system expansion AA-516R
Once that the bottom rear plastic box of the
system is arranged in the wall, take the front
panel with the electronic board, insert the two
transparent plastic pins present on frame into
the appropriate holes on the wall box and get
ready to connect the wires to the terminal
blocks. Make sure that all cables, including
telephone line, have not yet been powered
before connecting them to the card. These
operations
must
be
performed
by
a
specialized technician. Take the cables that
have been prepared by one of the outgoing
access on the base system and start
connecting. Remove, connect, and replace
the terminals according to the connections to
be made. To make the connections do not
remove the system board from the front
panel
but
just
remove
the
insertion
connectors.
H
jumper for internal heating circuit
L
jumper for backlighting circuit
TBE2
terminals for connection of an additional
power source for the backlighting of this
expansion unit and any others following the
power supply capacity
TBE3
terminals block for the Day / Night service
keys backlighting when controlled by the
relay 2 of the AA-514 base system and
redistribution of the command to the
eventually AA-516R expansions present in
the plant
Inserting legend card
To extract/insert the front legend card just
"pull" the block of the upper card held
pressed by springs on the front of the system
on the points indicated in the drawing with
the circle and the cross head screw (not to
unscrew) and extract or insert the card
extract from the top possibly with the help of
tweezers.
After inserting the personalized card, verify
the correct positioning looking from the front
of the transparent block.
For details of the connection of the signals on
terminal block TBE2, see section 8.5.8
For details of the connection of the signals on
terminal block TBE3, see section 8.5.8
