TEMA TELECOMUNICAZIONI SRL
Doorphone AA-514
MAS-AA514-REV03EN
Page 26 of 56
8.3.2. Connecting the system expansion AA-516P and AA-516K
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
FC
polarized connector for connection of the
expansion cable from the AA-514 system
TB3
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 AA-
516R expansions eventually 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 TBE3, see section 8.5.8